import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.hbase.client.HBaseAdmin; import org.apache.hadoop.hbase.client.HTable; import org.apache.hadoop.hbase.util.Bytes; import org.apache.hadoop.hbase.client.Delete; public class CheckAndDeleteTest { public static void test (Configuration hConf) throws IOException { byte[] value = Bytes.toBytes("this is a test code for the securebase performance. - Dishant Ai"); long[] record_normal = new long[10]; long[] record_securebase = new long[10]; for(int size = 0; size <10; size++) { HBaseAdmin admin = new HBaseAdmin(hConf); String tablename = "testTable" + size; if(!admin.tableExists(tablename)) { PutTest.test(hConf); } HTable table2 = new HTable(hConf,tablename); Delete del1; long start = System.currentTimeMillis(); for(int i=0; i<10; i++) { String row = "row" + i; del1 = new Delete(Bytes.toBytes(row)); for(int j=0; j<4; j++ ) { String colfam = "colfam"+j; for(int k=0; k<10; k++) { String qual = "qual" + k; del1.deleteColumn(Bytes.toBytes(colfam),Bytes.toBytes(qual)); } } if(i<5) table2.checkAndDelete(Bytes.toBytes(row), Bytes.toBytes("colfam0"),Bytes.toBytes("qual0"), value, del1); else { table2.checkAndDelete(Bytes.toBytes(row), Bytes.toBytes("colfam0"),Bytes.toBytes("qual0"), null, del1); } } long end = System.currentTimeMillis(); record_normal[size]=(end-start); String secureTableName = "secureTestTable" + size; HTable table = new HTable(hConf, secureTableName); // co PutExample-2-NewTable Instantiate a new client. start = System.currentTimeMillis(); for(int i=0; i<10; i++) { String row = "row" + i; del1 = new Delete(Bytes.toBytes(row)); for(int j=0; j<4; j++ ) { String colfam = "colfam"+j; for(int k=0; k<10; k++) { String qual = "qual" + k; del1.deleteColumn(Bytes.toBytes(colfam),Bytes.toBytes(qual)); } } if(i<5) table.checkAndDelete(Bytes.toBytes(row), Bytes.toBytes("colfam0"),Bytes.toBytes("qual0"), value, del1); else { table.checkAndDelete(Bytes.toBytes(row), Bytes.toBytes("colfam0"),Bytes.toBytes("qual0"), null, del1); } } end = System.currentTimeMillis(); record_securebase[size] = end-start; value = Bytes.add(value,value); } HBaseTest.writeResult("CheckAndDelete",record_normal,record_securebase); } }