/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tez.dag.app.rm;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.tez.common.TezUtils;
import org.apache.tez.serviceplugins.api.TaskScheduler;
import org.mockito.ArgumentCaptor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.LocalResource;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.client.api.AMRMClient;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.tez.common.MockDNSToSwitchMapping;
import org.apache.tez.dag.api.InputDescriptor;
import org.apache.tez.dag.api.OutputDescriptor;
import org.apache.tez.dag.api.ProcessorDescriptor;
import org.apache.tez.serviceplugins.api.TaskAttemptEndReason;
import org.apache.tez.dag.api.TezConfiguration;
import org.apache.tez.dag.api.TaskLocationHint;
import org.apache.tez.dag.api.oldrecords.TaskAttemptState;
import org.apache.tez.dag.app.AppContext;
import org.apache.tez.dag.app.ClusterInfo;
import org.apache.tez.dag.app.ContainerContext;
import org.apache.tez.dag.app.ContainerHeartbeatHandler;
import org.apache.tez.dag.app.DAGAppMasterState;
import org.apache.tez.dag.app.TaskCommunicatorManagerInterface;
import org.apache.tez.dag.app.dag.TaskAttempt;
import org.apache.tez.dag.app.rm.YarnTaskSchedulerService.CookieContainerRequest;
import org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.AMRMClientAsyncForTest;
import org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.AMRMClientForTest;
import org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.AlwaysMatchesContainerMatcher;
import org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.CapturingEventHandler;
import org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.TaskSchedulerContextDrainable;
import org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.TaskSchedulerManagerForTest;
import org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.TaskSchedulerWithDrainableContext;
import org.apache.tez.dag.app.rm.container.AMContainerEventAssignTA;
import org.apache.tez.dag.app.rm.container.AMContainerEventStopRequest;
import org.apache.tez.dag.app.rm.container.AMContainerMap;
import org.apache.tez.dag.app.rm.container.ContainerContextMatcher;
import org.apache.tez.dag.app.rm.node.AMNodeTracker;
import org.apache.tez.dag.records.TezDAGID;
import org.apache.tez.dag.records.TezTaskAttemptID;
import org.apache.tez.dag.records.TezTaskID;
import org.apache.tez.dag.records.TezVertexID;
import org.apache.tez.dag.utils.TaskSpecificLaunchCmdOption;
import org.apache.tez.runtime.api.impl.InputSpec;
import org.apache.tez.runtime.api.impl.OutputSpec;
import org.apache.tez.runtime.api.impl.TaskSpec;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
public class TestContainerReuse {
private static final Logger LOG = LoggerFactory.getLogger(TestContainerReuse.class);
@BeforeClass
public static void setup() {
MockDNSToSwitchMapping.initializeMockRackResolver();
}
@Test(timeout = 15000l)
public void testDelayedReuseContainerBecomesAvailable()
throws IOException, InterruptedException, ExecutionException {
LOG.info("Test testDelayedReuseContainerBecomesAvailable");
Configuration conf = new Configuration(new YarnConfiguration());
conf.setBoolean(
TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
conf.setBoolean(
TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, false);
conf.setBoolean(
TezConfiguration.TEZ_AM_CONTAINER_REUSE_NON_LOCAL_FALLBACK_ENABLED, false);
conf.setLong(
TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 3000l);
conf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 0);
conf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 0);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID = TezDAGID.getInstance("0", 0, 0);
TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient =
spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(conf).when(appContext).getAMConf();
AMContainerMap amContainerMap = new AMContainerMap(
mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class),
new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(dagID).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
TaskSchedulerManager taskSchedulerManagerReal =
new TaskSchedulerManagerForTest(
appContext, eventHandler, rmClient,
new AlwaysMatchesContainerMatcher(), TezUtils.createUserPayloadFromConf(conf));
TaskSchedulerManager taskSchedulerManager =
spy(taskSchedulerManagerReal);
taskSchedulerManager.init(conf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler =
(TaskSchedulerWithDrainableContext)
((TaskSchedulerManagerForTest) taskSchedulerManager)
.getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback =
taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource = Resource.newInstance(1024, 1);
Priority priority = Priority.newInstance(5);
String [] host1 = {"host1"};
String [] host2 = {"host2"};
String [] defaultRack = {"/default-rack"};
TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(
TezTaskID.getInstance(vertexID, 1), 1);
TezTaskAttemptID taID21 = TezTaskAttemptID.getInstance(
TezTaskID.getInstance(vertexID, 2), 1);
TezTaskAttemptID taID31 = TezTaskAttemptID.getInstance(
TezTaskID.getInstance(vertexID, 3), 1);
TaskAttempt ta11 = mock(TaskAttempt.class);
TaskAttempt ta21 = mock(TaskAttempt.class);
TaskAttempt ta31 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrTa11 =
createLaunchRequestEvent(taID11, ta11, resource, host1,
defaultRack, priority);
AMSchedulerEventTALaunchRequest lrTa21 =
createLaunchRequestEvent(taID21, ta21, resource, host2,
defaultRack, priority);
AMSchedulerEventTALaunchRequest lrTa31 =
createLaunchRequestEvent(taID31, ta31, resource, host1,
defaultRack, priority);
taskSchedulerManager.handleEvent(lrTa11);
taskSchedulerManager.handleEvent(lrTa21);
Container containerHost1 = createContainer(1, host1[0], resource, priority);
Container containerHost2 = createContainer(2, host2[0], resource, priority);
taskScheduler.onContainersAllocated(
Lists.newArrayList(containerHost1, containerHost2));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(
eq(0), eq(ta11), any(Object.class), eq(containerHost1));
verify(taskSchedulerManager).taskAllocated(
eq(0), eq(ta21), any(Object.class), eq(containerHost2));
// Adding the event later so that task1 assigned to containerHost1
// is deterministic.
taskSchedulerManager.handleEvent(lrTa31);
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(
ta11, containerHost1.getId(), TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta11, true, null, null);
verify(taskSchedulerManager, times(1)).taskAllocated(
eq(0), eq(ta31), any(Object.class), eq(containerHost1));
verify(rmClient, times(0)).releaseAssignedContainer(
eq(containerHost1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta21, containerHost2.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
long currentTs = System.currentTimeMillis();
Throwable exception = null;
while (System.currentTimeMillis() < currentTs + 5000l) {
try {
verify(taskSchedulerManager,
times(1)).containerBeingReleased(eq(0), eq(containerHost2.getId()));
exception = null;
break;
} catch (Throwable e) {
exception = e;
}
}
assertTrue("containerHost2 was not released", exception == null);
taskScheduler.shutdown();
taskSchedulerManager.close();
}
@Test(timeout = 15000l)
public void testDelayedReuseContainerNotAvailable()
throws IOException, InterruptedException, ExecutionException {
LOG.info("Test testDelayedReuseContainerNotAvailable");
Configuration conf = new Configuration(new YarnConfiguration());
conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, false);
conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_NON_LOCAL_FALLBACK_ENABLED, false);
conf.setLong(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 1000l);
conf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 0);
conf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 0);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID = TezDAGID.getInstance("0", 0, 0);
TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient =
spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(new Configuration(false)).when(appContext).getAMConf();
AMContainerMap amContainerMap = new AMContainerMap(
mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class),
new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
doReturn(dagID).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
TaskSchedulerManager taskSchedulerManagerReal =
new TaskSchedulerManagerForTest(appContext, eventHandler, rmClient,
new AlwaysMatchesContainerMatcher(), TezUtils.createUserPayloadFromConf(conf));
TaskSchedulerManager taskSchedulerManager =
spy(taskSchedulerManagerReal);
taskSchedulerManager.init(conf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler =
(TaskSchedulerWithDrainableContext)
((TaskSchedulerManagerForTest) taskSchedulerManager)
.getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback =
taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource = Resource.newInstance(1024, 1);
Priority priority = Priority.newInstance(5);
String [] host1 = {"host1"};
String [] host2 = {"host2"};
String [] defaultRack = {"/default-rack"};
TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID, 1), 1);
TezTaskAttemptID taID21 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID, 2), 1);
TezTaskAttemptID taID31 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID, 3), 1);
TaskAttempt ta11 = mock(TaskAttempt.class);
TaskAttempt ta21 = mock(TaskAttempt.class);
TaskAttempt ta31 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrTa11 = createLaunchRequestEvent(
taID11, ta11, resource, host1, defaultRack, priority);
AMSchedulerEventTALaunchRequest lrTa21 = createLaunchRequestEvent(
taID21, ta21, resource, host2, defaultRack, priority);
AMSchedulerEventTALaunchRequest lrTa31 = createLaunchRequestEvent(
taID31, ta31, resource, host1, defaultRack, priority);
taskSchedulerManager.handleEvent(lrTa11);
taskSchedulerManager.handleEvent(lrTa21);
Container containerHost1 = createContainer(1, host1[0], resource, priority);
Container containerHost2 = createContainer(2, host2[0], resource, priority);
taskScheduler.onContainersAllocated(Lists.newArrayList(containerHost1, containerHost2));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta11), any(Object.class), eq(containerHost1));
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta21), any(Object.class),
eq(containerHost2));
// Adding the event later so that task1 assigned to containerHost1 is deterministic.
taskSchedulerManager.handleEvent(lrTa31);
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta21, containerHost2.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta21, true, null, null);
verify(taskSchedulerManager, times(0)).taskAllocated(
eq(0), eq(ta31), any(Object.class), eq(containerHost2));
verify(rmClient, times(1)).releaseAssignedContainer(
eq(containerHost2.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
taskScheduler.shutdown();
taskSchedulerManager.close();
}
@Test(timeout = 10000l)
public void testSimpleReuse() throws IOException, InterruptedException, ExecutionException {
LOG.info("Test testSimpleReuse");
Configuration tezConf = new Configuration(new YarnConfiguration());
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 0);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID = TezDAGID.getInstance("0", 0, 0);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient = spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(new Configuration(false)).when(appContext).getAMConf();
AMContainerMap amContainerMap = new AMContainerMap(mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
doReturn(dagID).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
TaskSchedulerManager
taskSchedulerManagerReal = new TaskSchedulerManagerForTest(appContext, eventHandler, rmClient, new AlwaysMatchesContainerMatcher(), TezUtils.createUserPayloadFromConf(tezConf));
TaskSchedulerManager taskSchedulerManager = spy(taskSchedulerManagerReal);
taskSchedulerManager.init(tezConf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler = (TaskSchedulerWithDrainableContext) ((TaskSchedulerManagerForTest) taskSchedulerManager)
.getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback = taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource1 = Resource.newInstance(1024, 1);
String[] host1 = {"host1"};
String[] host2 = {"host2"};
String []racks = {"/default-rack"};
Priority priority1 = Priority.newInstance(1);
TezVertexID vertexID1 = TezVertexID.getInstance(dagID, 1);
//Vertex 1, Task 1, Attempt 1, host1
TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 1), 1);
TaskAttempt ta11 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent1 = createLaunchRequestEvent(taID11, ta11, resource1, host1, racks, priority1);
//Vertex 1, Task 2, Attempt 1, host1
TezTaskAttemptID taID12 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 2), 1);
TaskAttempt ta12 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent2 = createLaunchRequestEvent(taID12, ta12, resource1, host1, racks, priority1);
//Vertex 1, Task 3, Attempt 1, host2
TezTaskAttemptID taID13 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 3), 1);
TaskAttempt ta13 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent3 = createLaunchRequestEvent(taID13, ta13, resource1, host2, racks, priority1);
//Vertex 1, Task 4, Attempt 1, host2
TezTaskAttemptID taID14 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 4), 1);
TaskAttempt ta14 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent4 = createLaunchRequestEvent(taID14, ta14, resource1, host2, racks, priority1);
taskSchedulerManager.handleEvent(lrEvent1);
taskSchedulerManager.handleEvent(lrEvent2);
taskSchedulerManager.handleEvent(lrEvent3);
taskSchedulerManager.handleEvent(lrEvent4);
Container container1 = createContainer(1, "host1", resource1, priority1);
// One container allocated.
taskScheduler.onContainersAllocated(Collections.singletonList(container1));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta11), any(Object.class),
eq(container1));
// Task assigned to container completed successfully. Container should be re-used.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta11, container1.getId(), TaskAttemptState.SUCCEEDED, null,
null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta11, true, null, null);
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta12), any(Object.class), eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
// Task assigned to container completed successfully.
// Verify reuse across hosts.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta12, container1.getId(), TaskAttemptState.SUCCEEDED, null,
null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta12, true, null, null);
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta13), any(Object.class),
eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
// Verify no re-use if a previous task fails.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta13, container1.getId(), TaskAttemptState.FAILED, null,
"TIMEOUT", 0));
drainableAppCallback.drain();
verify(taskSchedulerManager, times(0)).taskAllocated(eq(0), eq(ta14), any(Object.class),
eq(container1));
verifyDeAllocateTask(taskScheduler, ta13, false, null, "TIMEOUT");
verify(rmClient).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
Container container2 = createContainer(2, "host2", resource1, priority1);
// Second container allocated. Should be allocated to the last task.
taskScheduler.onContainersAllocated(Collections.singletonList(container2));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta14), any(Object.class),
eq(container2));
// Task assigned to container completed successfully. No pending requests. Container should be released.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta14, container2.getId(), TaskAttemptState.SUCCEEDED, null,
null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta14, true, null, null);
verify(rmClient).releaseAssignedContainer(eq(container2.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
taskScheduler.shutdown();
taskSchedulerManager.close();
}
@Test(timeout = 10000l)
public void testReuseWithTaskSpecificLaunchCmdOption() throws IOException, InterruptedException, ExecutionException {
LOG.info("Test testReuseWithTaskSpecificLaunchCmdOption");
Configuration tezConf = new Configuration(new YarnConfiguration());
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 0);
//Profile 3 tasks
tezConf.set(TezConfiguration.TEZ_TASK_SPECIFIC_LAUNCH_CMD_OPTS_LIST, "v1[1,3,4]");
tezConf.set(TezConfiguration.TEZ_TASK_SPECIFIC_LAUNCH_CMD_OPTS, "dir=/tmp/__VERTEX_NAME__/__TASK_INDEX__");
TaskSpecificLaunchCmdOption taskSpecificLaunchCmdOption = new TaskSpecificLaunchCmdOption(tezConf);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID = TezDAGID.getInstance("0", 0, 0);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient = spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(new Configuration(false)).when(appContext).getAMConf();
AMContainerMap amContainerMap = new AMContainerMap(mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
doReturn(dagID).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
//Use ContainerContextMatcher here. Otherwise it would not match the JVM options
TaskSchedulerManager taskSchedulerManagerReal =
new TaskSchedulerManagerForTest(appContext, eventHandler, rmClient, new ContainerContextMatcher(), TezUtils.createUserPayloadFromConf(tezConf));
TaskSchedulerManager taskSchedulerManager = spy(taskSchedulerManagerReal);
taskSchedulerManager.init(tezConf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler =
(TaskSchedulerWithDrainableContext) ((TaskSchedulerManagerForTest) taskSchedulerManager)
.getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback = taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource1 = Resource.newInstance(1024, 1);
String[] host1 = {"host1"};
String[] host2 = {"host2"};
String[] host3 = {"host3"};
String []racks = {"/default-rack"};
Priority priority1 = Priority.newInstance(1);
TezVertexID vertexID1 = TezVertexID.getInstance(dagID, 1);
Map<String, LocalResource> localResources = new HashMap<String, LocalResource>();
String tsLaunchCmdOpts = taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 1);
/**
* Schedule 2 tasks (1 with additional launch-cmd option and another in normal mode).
* Container should not be reused in this case.
*/
//Vertex 1, Task 1, Attempt 1, host1
TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 1), 1);
TaskAttempt ta11 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent1 =
createLaunchRequestEvent(taID11, ta11, resource1, host1, racks,
priority1, localResources, tsLaunchCmdOpts);
//Vertex 1, Task 2, Attempt 1, host1
TezTaskAttemptID taID12 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 2), 1);
TaskAttempt ta12 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent2 =
createLaunchRequestEvent(taID12, ta12, resource1, host1, racks, priority1);
taskSchedulerManager.handleEvent(lrEvent1);
taskSchedulerManager.handleEvent(lrEvent2);
Container container1 = createContainer(1, "host1", resource1, priority1);
// One container allocated.
taskScheduler.onContainersAllocated(Collections.singletonList(container1));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta11), any(Object.class),
eq(container1));
// First task had profiling on. This container can not be reused further.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta11, container1.getId(), TaskAttemptState.SUCCEEDED, null,
null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta11, true, null, null);
verify(taskSchedulerManager, times(0)).taskAllocated(eq(0), eq(ta12), any(Object.class),
eq(container1));
verify(rmClient, times(1)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
/**
* Schedule 2 tasks (both having different task specific JVM option).
* Container should not be reused.
*/
//Vertex 1, Task 3, Attempt 1, host2
tsLaunchCmdOpts = taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 3);
TezTaskAttemptID taID13 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 3), 1);
TaskAttempt ta13 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent3 =
createLaunchRequestEvent(taID13, ta13, resource1, host2, racks,
priority1, localResources, tsLaunchCmdOpts);
//Vertex 1, Task 4, Attempt 1, host2
tsLaunchCmdOpts = taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 4);
TezTaskAttemptID taID14 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 4), 1);
TaskAttempt ta14 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent4 =
createLaunchRequestEvent(taID14, ta14, resource1, host2, racks,
priority1, localResources, tsLaunchCmdOpts);
taskSchedulerManager.handleEvent(lrEvent3);
taskSchedulerManager.handleEvent(lrEvent4);
// Container started
Container container2 = createContainer(2, "host2", resource1, priority1);
taskScheduler.onContainersAllocated(Collections.singletonList(container2));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta13), any(Object.class), eq(container2));
// Verify that the container can not be reused when profiling option is turned on
// Even for 2 tasks having same profiling option can have container reusability.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta13, container2.getId(), TaskAttemptState.SUCCEEDED, null,
null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta13, true, null, null);
verify(taskSchedulerManager, times(0)).taskAllocated(eq(0), eq(ta14), any(Object.class),
eq(container2));
verify(rmClient, times(1)).releaseAssignedContainer(eq(container2.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
/**
* Schedule 2 tasks with same jvm profiling option.
* Container should be reused.
*/
tezConf.set(TezConfiguration.TEZ_TASK_SPECIFIC_LAUNCH_CMD_OPTS_LIST, "v1[1,2,3,5,6]");
tezConf.set(TezConfiguration.TEZ_TASK_SPECIFIC_LAUNCH_CMD_OPTS, "dummyOpts");
taskSpecificLaunchCmdOption = new TaskSpecificLaunchCmdOption(tezConf);
//Vertex 1, Task 5, Attempt 1, host3
TezTaskAttemptID taID15 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 3), 1);
TaskAttempt ta15 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent5 =
createLaunchRequestEvent(taID15, ta15, resource1, host3, racks,
priority1, localResources,
taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 5));
//Vertex 1, Task 6, Attempt 1, host3
tsLaunchCmdOpts = taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 4);
TezTaskAttemptID taID16 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 4), 1);
TaskAttempt ta16 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent6 =
createLaunchRequestEvent(taID16, ta16, resource1, host3, racks,
priority1, localResources, taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 6));
// Container started
Container container3 = createContainer(3, "host3", resource1, priority1);
taskSchedulerManager.handleEvent(lrEvent5);
taskSchedulerManager.handleEvent(lrEvent6);
taskScheduler.onContainersAllocated(Collections.singletonList(container3));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta15), any(Object.class),
eq(container3));
//Ensure task 6 (of vertex 1) is allocated to same container
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta15, container3.getId(), TaskAttemptState.SUCCEEDED, null,
null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta15, true, null, null);
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta16), any(Object.class), eq(container3));
eventHandler.reset();
taskScheduler.shutdown();
taskSchedulerManager.close();
}
@Test(timeout = 30000l)
public void testReuseNonLocalRequest()
throws IOException, InterruptedException, ExecutionException {
LOG.info("Test testReuseNonLocalRequest");
Configuration tezConf = new Configuration(new YarnConfiguration());
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_NON_LOCAL_FALLBACK_ENABLED, true);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 100l);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 1000l);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 1000l);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID = TezDAGID.getInstance("0", 0, 0);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient =
spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(new Configuration(false)).when(appContext).getAMConf();
AMContainerMap amContainerMap = new AMContainerMap(
mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class),
new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
doReturn(dagID).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
TaskSchedulerManager taskSchedulerManagerReal =
new TaskSchedulerManagerForTest(
appContext, eventHandler, rmClient,
new AlwaysMatchesContainerMatcher(), TezUtils.createUserPayloadFromConf(tezConf));
TaskSchedulerManager taskSchedulerManager =
spy(taskSchedulerManagerReal);
taskSchedulerManager.init(tezConf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler =
(TaskSchedulerWithDrainableContext)
((TaskSchedulerManagerForTest) taskSchedulerManager)
.getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback =
taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource1 = Resource.newInstance(1024, 1);
String [] emptyHosts = new String[0];
String [] racks = { "default-rack" };
Priority priority = Priority.newInstance(3);
TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
//Vertex 1, Task 1, Attempt 1, no locality information.
TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID, 1), 1);
TaskAttempt ta11 = mock(TaskAttempt.class);
doReturn(vertexID).when(ta11).getVertexID();
AMSchedulerEventTALaunchRequest lrEvent11 = createLaunchRequestEvent(
taID11, ta11, resource1, emptyHosts, racks, priority);
//Vertex1, Task2, Attempt 1, no locality information.
TezTaskAttemptID taID12 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID, 2), 1);
TaskAttempt ta12 = mock(TaskAttempt.class);
doReturn(vertexID).when(ta12).getVertexID();
AMSchedulerEventTALaunchRequest lrEvent12 = createLaunchRequestEvent(
taID12, ta12, resource1, emptyHosts, racks, priority);
// Send launch request for task 1 only, deterministic assignment to this task.
taskSchedulerManager.handleEvent(lrEvent11);
Container container1 = createContainer(1, "randomHost", resource1, priority);
// One container allocated.
taskScheduler.onContainersAllocated(Collections.singletonList(container1));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(
eq(0), eq(ta11), any(Object.class), eq(container1));
// Send launch request for task2 (vertex2)
taskSchedulerManager.handleEvent(lrEvent12);
// Task assigned to container completed successfully.
// Container should not be immediately assigned to task 2
// until delay expires.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta11, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta11, true, null, null);
verify(taskSchedulerManager, times(0)).taskAllocated(
eq(0), eq(ta12), any(Object.class), eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(
eq(0), eq(ta12), any(Object.class), eq(container1));
// TA12 completed.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta12, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(rmClient).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
taskScheduler.shutdown();
taskSchedulerManager.close();
}
@Test(timeout = 30000l)
public void testReuseAcrossVertices()
throws IOException, InterruptedException, ExecutionException {
LOG.info("Test testReuseAcrossVertices");
Configuration tezConf = new Configuration(new YarnConfiguration());
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
tezConf.setLong(
TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 1l);
tezConf.setLong(
TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 20l);
tezConf.setLong(
TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 30l);
tezConf.setInt(
TezConfiguration.TEZ_AM_SESSION_MIN_HELD_CONTAINERS, 1);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID = TezDAGID.getInstance("0", 0, 0);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient =
spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(new Configuration(false)).when(appContext).getAMConf();
AMContainerMap amContainerMap = new AMContainerMap(
mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class),
new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
doReturn(true).when(appContext).isSession();
doReturn(dagID).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
TaskSchedulerManager taskSchedulerManagerReal =
new TaskSchedulerManagerForTest(appContext, eventHandler, rmClient,
new AlwaysMatchesContainerMatcher(), TezUtils.createUserPayloadFromConf(tezConf));
TaskSchedulerManager taskSchedulerManager =
spy(taskSchedulerManagerReal);
taskSchedulerManager.init(tezConf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler =
(TaskSchedulerWithDrainableContext)
((TaskSchedulerManagerForTest) taskSchedulerManager)
.getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback = taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource1 = Resource.newInstance(1024, 1);
String[] host1 = {"host1"};
String []racks = {"/default-rack"};
Priority priority1 = Priority.newInstance(3);
Priority priority2 = Priority.newInstance(4);
TezVertexID vertexID1 = TezVertexID.getInstance(dagID, 1);
TezVertexID vertexID2 = TezVertexID.getInstance(dagID, 2);
//Vertex 1, Task 1, Attempt 1, host1
TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(
TezTaskID.getInstance(vertexID1, 1), 1);
TaskAttempt ta11 = mock(TaskAttempt.class);
doReturn(vertexID1).when(ta11).getVertexID();
AMSchedulerEventTALaunchRequest lrEvent11 = createLaunchRequestEvent(
taID11, ta11, resource1, host1, racks, priority1);
//Vertex2, Task1, Attempt 1, host1
TezTaskAttemptID taID21 = TezTaskAttemptID.getInstance(
TezTaskID.getInstance(vertexID2, 1), 1);
TaskAttempt ta21 = mock(TaskAttempt.class);
doReturn(vertexID2).when(ta21).getVertexID();
AMSchedulerEventTALaunchRequest lrEvent21 = createLaunchRequestEvent(
taID21, ta21, resource1, host1, racks, priority2);
// Send launch request for task 1 onle, deterministic assignment to this task.
taskSchedulerManager.handleEvent(lrEvent11);
Container container1 = createContainer(1, host1[0], resource1, priority1);
// One container allocated.
taskScheduler.onContainersAllocated(Collections.singletonList(container1));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(
eq(0), eq(ta11), any(Object.class), eq(container1));
// Send launch request for task2 (vertex2)
taskSchedulerManager.handleEvent(lrEvent21);
// Task assigned to container completed successfully.
// Container should be assigned to task21.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta11, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta11, true, null, null);
verify(taskSchedulerManager).taskAllocated(
eq(0), eq(ta21), any(Object.class), eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
// Task 2 completes.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta21, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
LOG.info("Sleeping to ensure that the container has been idled longer " +
"than TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS ");
Thread.sleep(50l);
// container should not get released due to min held containers
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
taskScheduler.shutdown();
taskSchedulerManager.close();
}
@Test(timeout = 30000l)
public void testReuseLocalResourcesChanged() throws IOException, InterruptedException, ExecutionException {
LOG.info("Test testReuseLocalResourcesChanged");
Configuration tezConf = new Configuration(new YarnConfiguration());
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_NON_LOCAL_FALLBACK_ENABLED, true);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, -1);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID1 = TezDAGID.getInstance("0", 1, 0);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient = spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(new Configuration(false)).when(appContext).getAMConf();
ChangingDAGIDAnswer dagIDAnswer = new ChangingDAGIDAnswer(dagID1);
AMContainerMap amContainerMap = new AMContainerMap(mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
doReturn(true).when(appContext).isSession();
doAnswer(dagIDAnswer).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
TaskSchedulerManager
taskSchedulerManagerReal = new TaskSchedulerManagerForTest(appContext, eventHandler, rmClient, new AlwaysMatchesContainerMatcher(), TezUtils.createUserPayloadFromConf(tezConf));
TaskSchedulerManager taskSchedulerManager = spy(taskSchedulerManagerReal);
taskSchedulerManager.init(tezConf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler = (TaskSchedulerWithDrainableContext) ((TaskSchedulerManagerForTest) taskSchedulerManager)
.getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback = taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource1 = Resource.newInstance(1024, 1);
String[] host1 = {"host1"};
String []racks = {"/default-rack"};
Priority priority1 = Priority.newInstance(1);
String rsrc1 = "rsrc1";
String rsrc2 = "rsrc2";
String rsrc3 = "rsrc3";
LocalResource lr1 = mock(LocalResource.class);
LocalResource lr2 = mock(LocalResource.class);
LocalResource lr3 = mock(LocalResource.class);
AMContainerEventAssignTA assignEvent = null;
Map<String, LocalResource> dag1LRs = Maps.newHashMap();
dag1LRs.put(rsrc1, lr1);
TezVertexID vertexID11 = TezVertexID.getInstance(dagID1, 1);
//Vertex 1, Task 1, Attempt 1, host1, lr1
TezTaskAttemptID taID111 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID11, 1), 1);
TaskAttempt ta111 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent11 = createLaunchRequestEvent(taID111, ta111, resource1, host1, racks, priority1, dag1LRs);
//Vertex 1, Task 2, Attempt 1, host1, lr1
TezTaskAttemptID taID112 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID11, 2), 1);
TaskAttempt ta112 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent12 = createLaunchRequestEvent(taID112, ta112, resource1, host1, racks, priority1, dag1LRs);
taskSchedulerManager.handleEvent(lrEvent11);
taskSchedulerManager.handleEvent(lrEvent12);
Container container1 = createContainer(1, "host1", resource1, priority1);
// One container allocated.
taskScheduler.onContainersAllocated(Collections.singletonList(container1));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta111), any(Object.class), eq(container1));
assignEvent = (AMContainerEventAssignTA) eventHandler.verifyInvocation(AMContainerEventAssignTA.class);
assertEquals(1, assignEvent.getRemoteTaskLocalResources().size());
// Task assigned to container completed successfully. Container should be re-used.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta111, container1.getId(), TaskAttemptState.SUCCEEDED, null,
null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta111, true, null, null);
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta112), any(Object.class), eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
assignEvent = (AMContainerEventAssignTA) eventHandler.verifyInvocation(AMContainerEventAssignTA.class);
assertEquals(1, assignEvent.getRemoteTaskLocalResources().size());
eventHandler.reset();
// Task assigned to container completed successfully.
// Verify reuse across hosts.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta112, container1.getId(), TaskAttemptState.SUCCEEDED, null,
null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta112, true, null, null);
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
// Setup DAG2 with additional resources. Make sure the container, even without all resources, is reused.
TezDAGID dagID2 = TezDAGID.getInstance("0", 2, 0);
dagIDAnswer.setDAGID(dagID2);
Map<String, LocalResource> dag2LRs = Maps.newHashMap();
dag2LRs.put(rsrc2, lr2);
dag2LRs.put(rsrc3, lr3);
TezVertexID vertexID21 = TezVertexID.getInstance(dagID2, 1);
//Vertex 2, Task 1, Attempt 1, host1, lr2
TezTaskAttemptID taID211 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID21, 1), 1);
TaskAttempt ta211 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent21 = createLaunchRequestEvent(taID211, ta211, resource1, host1, racks, priority1, dag2LRs);
//Vertex 2, Task 2, Attempt 1, host1, lr2
TezTaskAttemptID taID212 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID21, 2), 1);
TaskAttempt ta212 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent22 = createLaunchRequestEvent(taID212, ta212, resource1, host1, racks, priority1, dag2LRs);
taskSchedulerManager.handleEvent(lrEvent21);
taskSchedulerManager.handleEvent(lrEvent22);
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta211), any(Object.class),
eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
assignEvent = (AMContainerEventAssignTA) eventHandler.verifyInvocation(AMContainerEventAssignTA.class);
assertEquals(2, assignEvent.getRemoteTaskLocalResources().size());
eventHandler.reset();
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta211, container1.getId(), TaskAttemptState.SUCCEEDED, null,
null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta211, true, null, null);
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta212), any(Object.class), eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
assignEvent = (AMContainerEventAssignTA) eventHandler.verifyInvocation(AMContainerEventAssignTA.class);
assertEquals(2, assignEvent.getRemoteTaskLocalResources().size());
eventHandler.reset();
taskScheduler.shutdown();
taskSchedulerManager.close();
}
@Test(timeout = 30000l)
public void testReuseConflictLocalResources() throws IOException, InterruptedException, ExecutionException {
LOG.info("Test testReuseLocalResourcesChanged");
Configuration tezConf = new Configuration(new YarnConfiguration());
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_NON_LOCAL_FALLBACK_ENABLED, true);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, -1);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID1 = TezDAGID.getInstance("0", 1, 0);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient = spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(new Configuration(false)).when(appContext).getAMConf();
ChangingDAGIDAnswer dagIDAnswer = new ChangingDAGIDAnswer(dagID1);
AMContainerMap amContainerMap = new AMContainerMap(mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
doReturn(true).when(appContext).isSession();
doAnswer(dagIDAnswer).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
TaskSchedulerManager taskSchedulerManagerReal =
new TaskSchedulerManagerForTest(appContext, eventHandler, rmClient,
new ContainerContextMatcher(), TezUtils.createUserPayloadFromConf(tezConf));
TaskSchedulerManager taskSchedulerManager = spy(taskSchedulerManagerReal);
taskSchedulerManager.init(tezConf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler = (TaskSchedulerWithDrainableContext) ((TaskSchedulerManagerForTest) taskSchedulerManager)
.getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback = taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource1 = Resource.newInstance(1024, 1);
String[] host1 = {"host1"};
String []racks = {"/default-rack"};
Priority priority1 = Priority.newInstance(1);
String rsrc1 = "rsrc1";
String rsrc2 = "rsrc2";
LocalResource lr1 = mock(LocalResource.class);
LocalResource lr2 = mock(LocalResource.class);
LocalResource lr3 = mock(LocalResource.class);
AMContainerEventAssignTA assignEvent = null;
Map<String, LocalResource> v11LR = Maps.newHashMap();
v11LR.put(rsrc1, lr1);
TezVertexID vertexID11 = TezVertexID.getInstance(dagID1, 1);
//Vertex 1, Task 1, Attempt 1, host1, lr1
TezTaskAttemptID taID111 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID11, 1), 1);
TaskAttempt ta111 = mock(TaskAttempt.class);
doReturn(taID111).when(ta111).getID();
doReturn("Mock for TA " + taID111.toString()).when(ta111).toString();
AMSchedulerEventTALaunchRequest lrEvent11 = createLaunchRequestEvent(
taID111, ta111, resource1, host1, racks, priority1, v11LR);
Map<String, LocalResource> v12LR = Maps.newHashMap();
v12LR.put(rsrc1, lr1);
v12LR.put(rsrc2, lr2);
//Vertex 1, Task 2, Attempt 1, host1, lr1
TezTaskAttemptID taID112 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID11, 2), 1);
TaskAttempt ta112 = mock(TaskAttempt.class);
doReturn(taID112).when(ta112).getID();
doReturn("Mock for TA " + taID112.toString()).when(ta112).toString();
AMSchedulerEventTALaunchRequest lrEvent12 = createLaunchRequestEvent(
taID112, ta112, resource1, host1, racks, priority1, v12LR);
//Vertex 1, Task 3, Attempt 1, host1
TezTaskAttemptID taID113 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID11, 3), 1);
TaskAttempt ta113 = mock(TaskAttempt.class);
doReturn(taID113).when(ta113).getID();
doReturn("Mock for TA " + taID113.toString()).when(ta113).toString();
AMSchedulerEventTALaunchRequest lrEvent13 = createLaunchRequestEvent(
taID113, ta113, resource1, host1, racks, priority1, new HashMap<String, LocalResource>());
//Vertex 1, Task 4, Attempt 1, host1
TezTaskAttemptID taID114 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID11, 4), 1);
TaskAttempt ta114 = mock(TaskAttempt.class);
doReturn(taID114).when(ta114).getID();
doReturn("Mock for TA " + taID114.toString()).when(ta114).toString();
AMSchedulerEventTALaunchRequest lrEvent14 = createLaunchRequestEvent(
taID114, ta114, resource1, host1, racks, priority1, new HashMap<String, LocalResource>());
taskSchedulerManager.handleEvent(lrEvent11);
taskSchedulerManager.handleEvent(lrEvent12);
Container container1 = createContainer(1, "host1", resource1, priority1);
Container container2 = createContainer(2, "host1", resource1, priority1);
// One container allocated.
taskScheduler.onContainersAllocated(Collections.singletonList(container1));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta111), any(Object.class), eq(container1));
assignEvent = (AMContainerEventAssignTA) eventHandler.verifyInvocation(AMContainerEventAssignTA.class);
assertEquals(1, assignEvent.getRemoteTaskLocalResources().size());
// Task assigned to container completed successfully. Container should be re-used.
taskSchedulerManager.handleEvent(
new AMSchedulerEventTAEnded(ta111, container1.getId(), TaskAttemptState.SUCCEEDED, null,
null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta111, true, null, null);
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta112), any(Object.class), eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
assignEvent = (AMContainerEventAssignTA) eventHandler.verifyInvocation(AMContainerEventAssignTA.class);
assertEquals(1, assignEvent.getRemoteTaskLocalResources().size());
eventHandler.reset();
// Task assigned to container completed successfully.
// Verify reuse across hosts.
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta112, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta112, true, null, null);
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
// Task 3
taskSchedulerManager.handleEvent(lrEvent13);
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta113), any(Object.class), eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta113, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta113, true, null, null);
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
// Task 4
taskSchedulerManager.handleEvent(lrEvent14);
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta114), any(Object.class), eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta114, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta114, true, null, null);
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
// Setup DAG2 with different resources.
TezDAGID dagID2 = TezDAGID.getInstance("0", 2, 0);
dagIDAnswer.setDAGID(dagID2);
Map<String, LocalResource> v21LR = Maps.newHashMap();
v21LR.put(rsrc1, lr1);
v21LR.put(rsrc2, lr3);
TezVertexID vertexID21 = TezVertexID.getInstance(dagID2, 1);
//Vertex 2, Task 1, Attempt 1, host1, lr2
TezTaskAttemptID taID211 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID21, 1), 1);
TaskAttempt ta211 = mock(TaskAttempt.class);
doReturn(taID211).when(ta211).getID();
doReturn("Mock for TA " + taID211.toString()).when(ta211).toString();
AMSchedulerEventTALaunchRequest lrEvent21 = createLaunchRequestEvent(taID211, ta211, resource1,
host1, racks, priority1, v21LR);
taskSchedulerManager.handleEvent(lrEvent21);
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(rmClient, times(1)).releaseAssignedContainer(eq(container1.getId()));
taskScheduler.onContainersAllocated(Collections.singletonList(container2));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta211), any(Object.class), eq(container2));
eventHandler.reset();
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta211, container2.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta211, true, null, null);
verify(rmClient, times(0)).releaseAssignedContainer(eq(container2.getId()));
eventHandler.reset();
// Setup DAG3 with a subset of resources from DAG2 (container should be reused).
TezDAGID dagID3 = TezDAGID.getInstance("0", 3, 0);
dagIDAnswer.setDAGID(dagID3);
Map<String, LocalResource> v31LR = Collections.singletonMap(rsrc1, lr1);
// dag3, vertex1, task1, ta1
TezTaskAttemptID taID311 = TezTaskAttemptID.getInstance(
TezTaskID.getInstance(TezVertexID.getInstance(dagID3, 1), 1), 1);
TaskAttempt ta311 = mock(TaskAttempt.class);
doReturn(taID311).when(ta311).getID();
doReturn("Mock for TA " + taID311).when(ta311).toString();
AMSchedulerEventTALaunchRequest lrEvent31 = createLaunchRequestEvent(taID311, ta311, resource1,
host1, racks, priority1, v31LR);
taskSchedulerManager.handleEvent(lrEvent31);
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta311), any(Object.class), eq(container2));
eventHandler.reset();
taskScheduler.shutdown();
taskSchedulerManager.close();
}
@Test(timeout = 10000l)
public void testAssignmentOnShutdown()
throws IOException, InterruptedException, ExecutionException {
LOG.info("Test testAssignmentOnShutdown");
Configuration tezConf = new Configuration(new YarnConfiguration());
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, false);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 0);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID = TezDAGID.getInstance("0", 0, 0);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient = spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(new Configuration(false)).when(appContext).getAMConf();
AMContainerMap amContainerMap = new AMContainerMap(mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(DAGAppMasterState.SUCCEEDED).when(appContext).getAMState();
doReturn(true).when(appContext).isAMInCompletionState();
doReturn(dagID).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
TaskSchedulerManager taskSchedulerManagerReal =
new TaskSchedulerManagerForTest(appContext, eventHandler, rmClient,
new AlwaysMatchesContainerMatcher(), TezUtils.createUserPayloadFromConf(tezConf));
TaskSchedulerManager taskSchedulerManager = spy(taskSchedulerManagerReal);
taskSchedulerManager.init(tezConf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler = (TaskSchedulerWithDrainableContext)
((TaskSchedulerManagerForTest) taskSchedulerManager)
.getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback = taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource1 = Resource.newInstance(1024, 1);
String[] host1 = {"host1"};
String []racks = {"/default-rack"};
Priority priority1 = Priority.newInstance(1);
TezVertexID vertexID1 = TezVertexID.getInstance(dagID, 1);
//Vertex 1, Task 1, Attempt 1, host1
TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 1), 1);
TaskAttempt ta11 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent1 = createLaunchRequestEvent(taID11, ta11, resource1,
host1, racks, priority1);
taskSchedulerManager.handleEvent(lrEvent1);
Container container1 = createContainer(1, "host1", resource1, priority1);
// One container allocated.
taskScheduler.onContainersAllocated(Collections.singletonList(container1));
drainableAppCallback.drain();
verify(taskSchedulerManager, times(0)).taskAllocated(eq(0), eq(ta11),
any(Object.class), eq(container1));
taskScheduler.shutdown();
taskSchedulerManager.close();
}
@Test(timeout=5000)
public void testDifferentResourceContainerReuse() throws Exception {
Configuration tezConf = new Configuration(new YarnConfiguration());
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 0);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID = TezDAGID.getInstance("0", 0, 0);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient =
spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(new Configuration(false)).when(appContext).getAMConf();
AMContainerMap amContainerMap = new AMContainerMap(mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
doReturn(dagID).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
TaskSchedulerManager taskSchedulerManagerReal = new TaskSchedulerManagerForTest(appContext,
eventHandler, rmClient, new AlwaysMatchesContainerMatcher(),
TezUtils.createUserPayloadFromConf(tezConf));
TaskSchedulerManager taskSchedulerManager = spy(taskSchedulerManagerReal);
taskSchedulerManager.init(tezConf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler = (TaskSchedulerWithDrainableContext)
((TaskSchedulerManagerForTest) taskSchedulerManager).getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback = taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource1 = Resource.newInstance(1024, 1);
Resource resource2 = Resource.newInstance(2048, 1);
String[] host1 = {"host1"};
String[] host2 = {"host2"};
String []racks = {"/default-rack"};
Priority priority1 = Priority.newInstance(1);
TezVertexID vertexID1 = TezVertexID.getInstance(dagID, 1);
//Vertex 1, Task 1, Attempt 1, host1
TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 1), 1);
TaskAttempt ta11 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent1 = createLaunchRequestEvent(
taID11, ta11, resource1, host1, racks, priority1);
//Vertex 1, Task 2, Attempt 1, host1
TezTaskAttemptID taID12 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 2), 1);
TaskAttempt ta12 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent2 = createLaunchRequestEvent(
taID12, ta12, resource1, host1, racks, priority1);
//Vertex 1, Task 3, Attempt 1, host2
TezTaskAttemptID taID13 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 3), 1);
TaskAttempt ta13 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent3 = createLaunchRequestEvent(
taID13, ta13, resource2, host2, racks, priority1);
//Vertex 1, Task 4, Attempt 1, host2
TezTaskAttemptID taID14 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 4), 1);
TaskAttempt ta14 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent4 = createLaunchRequestEvent(
taID14, ta14, resource2, host2, racks, priority1);
taskSchedulerManager.handleEvent(lrEvent1);
taskSchedulerManager.handleEvent(lrEvent2);
taskSchedulerManager.handleEvent(lrEvent3);
taskSchedulerManager.handleEvent(lrEvent4);
Container container1 = createContainer(1, "host1", resource1, priority1);
Container container2 = createContainer(2, "host2", resource2, priority1);
// One container allocated, should start ta11
taskScheduler.onContainersAllocated(Collections.singletonList(container1));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta11), any(Object.class), eq(container1));
// Second container allocated, should start ta13
taskScheduler.onContainersAllocated(Collections.singletonList(container2));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta13), any(Object.class), eq(container2));
// ta11 finished, should start ta12
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta11, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta11, true, null, null);
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta12), any(Object.class), eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
// ta13 finished, should start ta14
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta13, container2.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta13, true, null, null);
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta14), any(Object.class), eq(container2));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container2.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
// ta12 finished no pending requests, should release container1
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta12, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta12, true, null, null);
verify(rmClient).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
// ta14 finished no pending requests, should release container2.
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta14, container2.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta14, true, null, null);
verify(rmClient).releaseAssignedContainer(eq(container2.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
taskScheduler.shutdown();
taskSchedulerManager.close();
}
@Test(timeout=5000)
public void testEnvironmentVarsContainerReuse() throws Exception {
Configuration tezConf = new Configuration(new YarnConfiguration());
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 0);
tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 0);
CapturingEventHandler eventHandler = new CapturingEventHandler();
TezDAGID dagID = TezDAGID.getInstance("0", 0, 0);
AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
TezAMRMClientAsync<CookieContainerRequest> rmClient =
spy(new AMRMClientAsyncForTest(rmClientCore, 100));
AppContext appContext = mock(AppContext.class);
doReturn(new Configuration(false)).when(appContext).getAMConf();
AMContainerMap amContainerMap = new AMContainerMap(mock(ContainerHeartbeatHandler.class),
mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appContext);
AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
doReturn(amContainerMap).when(appContext).getAllContainers();
doReturn(amNodeTracker).when(appContext).getNodeTracker();
doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
doReturn(dagID).when(appContext).getCurrentDAGID();
doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
TaskSchedulerManager taskSchedulerManagerReal = new TaskSchedulerManagerForTest(appContext,
eventHandler, rmClient, new ContainerContextMatcher(),
TezUtils.createUserPayloadFromConf(tezConf));
TaskSchedulerManager taskSchedulerManager = spy(taskSchedulerManagerReal);
taskSchedulerManager.init(tezConf);
taskSchedulerManager.start();
TaskSchedulerWithDrainableContext taskScheduler = (TaskSchedulerWithDrainableContext)
((TaskSchedulerManagerForTest) taskSchedulerManager).getSpyTaskScheduler();
TaskSchedulerContextDrainable drainableAppCallback = taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource1 = Resource.newInstance(1024, 1);
String[] host1 = {"host1"};
String []racks = {"/default-rack"};
Priority priority1 = Priority.newInstance(1);
TezVertexID vertexID1 = TezVertexID.getInstance(dagID, 1);
// Create containers with same resources and then see how tasks are allocated
// when the environments vary
Map<String, String> env1 = ImmutableMap.of("env1", "val1", "env2", "val2");
Map<String, String> env2 = ImmutableMap.of("env3", "val3", "env4", "val4");
Map<String, String> env3 = ImmutableMap.of("env1", "val1");
Map<String, String> env4 = ImmutableMap.of("env1", "val1", "env4", "val4");
//Vertex 1, Task 1, Attempt 1, host1, r1=lr1
TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 1), 1);
TaskAttempt ta11 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent1 = createLaunchRequestEvent(
taID11, ta11, resource1, host1, racks, priority1, "", env1);
//Vertex 1, Task 2, Attempt 1, host1, r1=lr2
TezTaskAttemptID taID12 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 2), 1);
TaskAttempt ta12 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent2 = createLaunchRequestEvent(
taID12, ta12, resource1, host1, racks, priority1, "", env2);
//Vertex 1, Task 3, Attempt 1, host1, r1=lr1 & r2=lr2
TezTaskAttemptID taID13 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 3), 1);
TaskAttempt ta13 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent3 = createLaunchRequestEvent(
taID13, ta13, resource1, host1, racks, priority1, "", env3);
//Vertex 1, Task 4, Attempt 1, host1, r2=lr2
TezTaskAttemptID taID14 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 4), 1);
TaskAttempt ta14 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent4 = createLaunchRequestEvent(
taID14, ta14, resource1, host1, racks, priority1, "", env4);
taskSchedulerManager.handleEvent(lrEvent1);
taskSchedulerManager.handleEvent(lrEvent2);
taskSchedulerManager.handleEvent(lrEvent3);
taskSchedulerManager.handleEvent(lrEvent4);
Container container1 = createContainer(1, "host1", resource1, priority1);
Container container2 = createContainer(2, "host1", resource1, priority1);
Container container3 = createContainer(3, "host1", resource1, priority1);
// One container allocated, should start ta11 on container1
taskScheduler.onContainersAllocated(Collections.singletonList(container1));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta11), any(Object.class), eq(container1));
// finish ta11, should start ta13
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta11, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta11, true, null, null);
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta13), any(Object.class), eq(container1));
verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
eventHandler.reset();
// ta13 finished, cannot reuse container1, should release container1
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta13, container1.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta13, true, null, null);
verify(rmClient).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
// Second container allocated, should start ta12.
taskScheduler.onContainersAllocated(Collections.singletonList(container2));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta12), any(Object.class), eq(container2));
// ta12 finished, cannot reuse container, should release container2
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta12, container2.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta12, true, null, null);
verify(rmClient).releaseAssignedContainer(eq(container2.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
// Third container allocated, should start ta14.
taskScheduler.onContainersAllocated(Collections.singletonList(container3));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta14), any(Object.class), eq(container3));
// ta14 finished, should release container3
taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta14, container3.getId(),
TaskAttemptState.SUCCEEDED, null, null, 0));
drainableAppCallback.drain();
verifyDeAllocateTask(taskScheduler, ta14, true, null, null);
verify(rmClient).releaseAssignedContainer(eq(container3.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
taskScheduler.shutdown();
taskSchedulerManager.close();
}
private Container createContainer(int id, String host, Resource resource, Priority priority) {
@SuppressWarnings("deprecation")
ContainerId containerID = ContainerId.newInstance(
ApplicationAttemptId.newInstance(ApplicationId.newInstance(1, 1), 1),
id);
NodeId nodeID = NodeId.newInstance(host, 0);
Container container = Container.newInstance(containerID, nodeID, host + ":0",
resource, priority, null);
return container;
}
private AMSchedulerEventTALaunchRequest createLaunchRequestEvent(
TezTaskAttemptID taID, TaskAttempt ta, Resource capability,
String[] hosts, String[] racks, Priority priority,
ContainerContext containerContext) {
TaskLocationHint locationHint = null;
if (hosts != null || racks != null) {
Set<String> hostsSet = Sets.newHashSet(hosts);
Set<String> racksSet = Sets.newHashSet(racks);
locationHint = TaskLocationHint.createTaskLocationHint(hostsSet, racksSet);
}
AMSchedulerEventTALaunchRequest lr = new AMSchedulerEventTALaunchRequest(
taID, capability, new TaskSpec(taID, "dagName", "vertexName", -1,
ProcessorDescriptor.create("processorClassName"),
Collections.singletonList(new InputSpec("vertexName",
InputDescriptor.create("inputClassName"), 1)),
Collections.singletonList(new OutputSpec("vertexName",
OutputDescriptor.create("outputClassName"), 1)), null, null), ta, locationHint,
priority.getPriority(), containerContext, 0, 0, 0);
return lr;
}
private AMSchedulerEventTALaunchRequest createLaunchRequestEvent(TezTaskAttemptID taID,
TaskAttempt ta, Resource capability, String[] hosts, String[] racks, Priority priority) {
return createLaunchRequestEvent(taID, ta, capability, hosts, racks, priority,
new HashMap<String, LocalResource>());
}
private AMSchedulerEventTALaunchRequest createLaunchRequestEvent(TezTaskAttemptID taID,
TaskAttempt ta, Resource capability, String[] hosts, String[] racks, Priority priority,
Map<String, LocalResource> localResources) {
return createLaunchRequestEvent(taID, ta, capability, hosts, racks, priority,
localResources, "");
}
private AMSchedulerEventTALaunchRequest createLaunchRequestEvent(TezTaskAttemptID taID,
TaskAttempt ta, Resource capability, String[] hosts, String[] racks, Priority priority,
Map<String, LocalResource> localResources, String jvmOpts) {
return createLaunchRequestEvent(taID, ta, capability, hosts, racks, priority,
new ContainerContext(localResources, new Credentials(), new HashMap<String, String>(), jvmOpts));
}
private AMSchedulerEventTALaunchRequest createLaunchRequestEvent(TezTaskAttemptID taID,
TaskAttempt ta, Resource capability, String[] hosts, String[] racks, Priority priority,
String jvmOpts, Map<String, String> environment) {
return createLaunchRequestEvent(taID, ta, capability, hosts, racks, priority,
new ContainerContext(new HashMap<String, LocalResource>(), new Credentials(), environment,
jvmOpts));
}
private static class ChangingDAGIDAnswer implements Answer<TezDAGID> {
private TezDAGID dagID;
public ChangingDAGIDAnswer(TezDAGID dagID) {
this.dagID = dagID;
}
public void setDAGID(TezDAGID dagID) {
this.dagID = dagID;
}
@Override
public TezDAGID answer(InvocationOnMock invocation) throws Throwable {
return this.dagID;
}
}
private void verifyDeAllocateTask(TaskScheduler taskScheduler, Object ta, boolean taskSucceeded,
TaskAttemptEndReason endReason, String diagContains) {
ArgumentCaptor<String> argumentCaptor = ArgumentCaptor.forClass(String.class);
try {
verify(taskScheduler)
.deallocateTask(eq(ta), eq(taskSucceeded), eq(endReason), argumentCaptor.capture());
} catch (Exception e) {
throw new RuntimeException(e);
}
assertEquals(1, argumentCaptor.getAllValues().size());
if (diagContains == null) {
assertNull(argumentCaptor.getValue());
} else {
assertTrue(argumentCaptor.getValue().contains(diagContains));
}
}
}