BigCacheLimitTest.java

package com.ctriposs.bigcache;

import java.io.File;
import java.io.IOException;
import java.util.Date;

import com.ctriposs.bigcache.CacheConfig.StorageMode;
import com.ctriposs.bigcache.utils.FileUtil;
import com.ctriposs.bigcache.utils.TestUtil;

public class BigCacheLimitTest {

	private static final String TEST_DIR = TestUtil.TEST_BASE_DIR + "stress/bigcache/";

	private static BigCache<String> cache;

	public static void main(String args[]) throws IOException {
		CacheConfig config = new CacheConfig()
				.setStorageMode(StorageMode.OffHeapPlusFile)
				.setPurgeInterval(2 * 1000)
				.setMergeInterval(2 * 1000)
				.setMaxOffHeapMemorySize(10 * 1000 * 1024 * 1024L);

		cache = new BigCache<String>(TEST_DIR, config);

		String rndString = TestUtil.randomString(10);

		System.out.println("Start from date " + new Date());
		long start = System.currentTimeMillis();
		for (long counter = 0;; counter++) {
			cache.put(Long.toString(counter), rndString.getBytes());
			if (counter % 1000000 == 0) {
				System.out.println("Current date " + new Date());
				System.out.println("" + counter);
				System.out.println(TestUtil.printMemoryFootprint());
				long end = System.currentTimeMillis();
				System.out.println("timeSpent = " + (end - start));
				try {
					Thread.sleep(5000);
				} catch (InterruptedException e) {
				}
				start = System.currentTimeMillis();
			}
		}
	}

	public static void close() throws IOException {
		if (cache == null)
			return;
		try {
			cache.close();
			FileUtil.deleteDirectory(new File(TEST_DIR));
		} catch (IllegalStateException e) {
			System.gc();
			try {
				FileUtil.deleteDirectory(new File(TEST_DIR));
			} catch (IllegalStateException e1) {
				try {
					Thread.sleep(3000);
				} catch (InterruptedException e2) {
				}
				FileUtil.deleteDirectory(new File(TEST_DIR));
			}
		}
	}
}