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* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.infinispan.stress;
import org.infinispan.container.*;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import org.testng.annotations.Test;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* Stress test different data containers
*
* @author Manik Surtani
* @since 4.0
*/
@Test(testName = "stress.DataContainerStressTest", groups = "stress", enabled = false,
description = "Disabled by default, designed to be run manually.")
public class DataContainerStressTest {
volatile CountDownLatch latch;
final int RUN_TIME_MILLIS = 45 * 1000; // 1 min
final int WARMUP_TIME_MILLIS = 10 * 1000; // 10 sec
final int num_loops = 10000;
final int warmup_num_loops = 10000;
boolean use_time = true;
final int NUM_KEYS = 100;
private static final Log log = LogFactory.getLog(DataContainerStressTest.class);
private static final Random R = new Random();
public void testSimpleDataContainer() throws InterruptedException {
doTest(DefaultDataContainer.unBoundedDataContainer(5000));
}
private void doTest(final DataContainer dc) throws InterruptedException {
doTest(dc, true);
doTest(dc, false);
}
private void doTest(final DataContainer dc, boolean warmup) throws InterruptedException {
latch = new CountDownLatch(1);
final String key = "key";
final Map<String, String> perf = new ConcurrentSkipListMap<String, String>();
final AtomicBoolean run = new AtomicBoolean(true);
final int actual_num_loops = warmup ? warmup_num_loops : num_loops;
Thread getter = new Thread() {
public void run() {
waitForStart();
long start = System.nanoTime();
int runs = 0;
while (use_time && run.get() || runs < actual_num_loops) {
if (runs % 100000 == 0) log.info("GET run # " + runs);
// TestingUtil.sleepThread(10);
dc.get(key + R.nextInt(NUM_KEYS), null);
runs++;
}
perf.put("GET", opsPerMS(System.nanoTime() - start, runs));
}
};
Thread putter = new Thread() {
public void run() {
waitForStart();
long start = System.nanoTime();
int runs = 0;
while (use_time && run.get() || runs < actual_num_loops) {
if (runs % 100000 == 0) log.info("PUT run # " + runs);
// TestingUtil.sleepThread(10);
dc.put(key + R.nextInt(NUM_KEYS), "value", null, -1, -1);
runs++;
}
perf.put("PUT", opsPerMS(System.nanoTime() - start, runs));
}
};
Thread remover = new Thread() {
public void run() {
waitForStart();
long start = System.nanoTime();
int runs = 0;
while (use_time && run.get() || runs < actual_num_loops) {
if (runs % 100000 == 0) log.info("REM run # " + runs);
// TestingUtil.sleepThread(10);
dc.remove(key + R.nextInt(NUM_KEYS), null);
runs++;
}
perf.put("REM", opsPerMS(System.nanoTime() - start, runs));
}
};
Thread[] threads = {getter, putter, remover};
for (Thread t : threads) t.start();
latch.countDown();
// wait some time
Thread.sleep(warmup ? WARMUP_TIME_MILLIS : RUN_TIME_MILLIS);
run.set(false);
for (Thread t : threads) t.join();
if (!warmup) log.warnf("%s: Performance: %s", dc.getClass().getSimpleName(), perf);
}
private void waitForStart() {
try {
latch.await();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
private String opsPerMS(long nanos, int ops) {
long totalMillis = TimeUnit.NANOSECONDS.toMillis(nanos);
if (totalMillis > 0)
return ops / totalMillis + " ops/ms";
else
return "NAN ops/ms";
}
}