/*
Copyright (C) GridGain Systems. All Rights Reserved.
Licensed 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.gridgain.loadtests.hashmap;
import org.gridgain.grid.*;
import org.gridgain.grid.util.*;
import org.gridgain.grid.util.typedef.*;
import org.gridgain.loadtests.util.*;
import org.jdk8.backport.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import static org.jdk8.backport.ConcurrentLinkedHashMap.QueuePolicy;
import static org.jdk8.backport.ConcurrentLinkedHashMap.QueuePolicy.*;
/**
*
*/
public class GridBoundedConcurrentLinkedHashSetLoadTest {
/** */
public static final int UPDATE_INTERVAL_SEC = 5;
/**
* @param args Arguments.
*/
public static void main(String[] args) throws Exception {
QueuePolicy qPlc = args.length > 0 ? QueuePolicy.valueOf(args[0]) : SINGLE_Q;
int threadCnt = args.length > 1 ? Integer.valueOf(args[1]) : Runtime.getRuntime().availableProcessors();
X.println("Queue policy: " + qPlc);
X.println("Threads: " + threadCnt);
ExecutorService pool = Executors.newFixedThreadPool(threadCnt);
final Collection<GridUuid> set =
new GridBoundedConcurrentLinkedHashSet<>(10240, 32, 0.75f, 128, qPlc);
X.println("Set: " + set);
final LongAdder execCnt = new LongAdder();
final AtomicBoolean finish = new AtomicBoolean();
// Thread that measures and outputs performance statistics.
Thread collector = new Thread(new Runnable() {
@SuppressWarnings({"BusyWait", "InfiniteLoopStatement"})
@Override public void run() {
GridCumulativeAverage avgTasksPerSec = new GridCumulativeAverage();
try {
while (!finish.get()) {
Thread.sleep(UPDATE_INTERVAL_SEC * 1000);
long curTasksPerSec = execCnt.sumThenReset() / UPDATE_INTERVAL_SEC;
X.println(">>> Tasks/s: " + curTasksPerSec);
avgTasksPerSec.update(curTasksPerSec);
}
}
catch (InterruptedException ignored) {
X.println(">>> Interrupted.");
Thread.currentThread().interrupt();
}
}
});
collector.start();
Collection<Callable<Object>> producers = new ArrayList<>(threadCnt);
for (int i = 0; i < threadCnt; i++)
producers.add(new Callable<Object>() {
@SuppressWarnings({"unchecked", "InfiniteLoopStatement"})
@Override public Object call() throws Exception {
UUID id = UUID.randomUUID();
try {
while (!finish.get()) {
set.add(GridUuid.fromUuid(id));
execCnt.increment();
}
return null;
}
catch (Throwable t) {
t.printStackTrace();
throw new Exception(t);
}
finally {
X.println("Thread finished.");
}
}
});
pool.invokeAll(producers);
}
}