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add active thread pool count to thread pool stats

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This commit is contained in:
Shay Banon 2012-02-24 02:09:33 +02:00
parent 7ed68a5c30
commit eebf8f8f60
4 changed files with 81 additions and 13 deletions
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8
src/main/java/org/elasticsearch/common/util/concurrent/EsExecutors.java
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@ -29,21 +29,21 @@ import java.util.concurrent.*;
*/
public class EsExecutors {
public static ThreadPoolExecutor newScalingExecutorService(int min, int max, long keepAliveTime, TimeUnit unit,
public static EsThreadPoolExecutor newScalingExecutorService(int min, int max, long keepAliveTime, TimeUnit unit,
ThreadFactory threadFactory) {
ExecutorScalingQueue<Runnable> queue = new ExecutorScalingQueue<Runnable>();
// we force the execution, since we might run into concurrency issues in offer for ScalingBlockingQueue
ThreadPoolExecutor executor = new ThreadPoolExecutor(min, max, keepAliveTime, unit, queue, threadFactory,
EsThreadPoolExecutor executor = new EsThreadPoolExecutor(min, max, keepAliveTime, unit, queue, threadFactory,
new ForceQueuePolicy());
queue.executor = executor;
return executor;
}
public static ThreadPoolExecutor newBlockingExecutorService(int min, int max, long keepAliveTime, TimeUnit unit,
public static EsThreadPoolExecutor newBlockingExecutorService(int min, int max, long keepAliveTime, TimeUnit unit,
ThreadFactory threadFactory, int capacity,
long waitTime, TimeUnit waitTimeUnit) {
ExecutorBlockingQueue<Runnable> queue = new ExecutorBlockingQueue<Runnable>(capacity);
ThreadPoolExecutor executor = new ThreadPoolExecutor(min, max, keepAliveTime, unit, queue, threadFactory,
EsThreadPoolExecutor executor = new EsThreadPoolExecutor(min, max, keepAliveTime, unit, queue, threadFactory,
new TimedBlockingPolicy(waitTimeUnit.toMillis(waitTime)));
queue.executor = executor;
return executor;

44
src/main/java/org/elasticsearch/common/util/concurrent/EsThreadPoolExecutor.java Normal file
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@ -0,0 +1,44 @@
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch 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.elasticsearch.common.util.concurrent;
import java.util.concurrent.*;
/**
* An extension to thread pool executor, allowing (in the future) to add specific additional stats to it.
*/
public class EsThreadPoolExecutor extends ThreadPoolExecutor {
public EsThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue) {
super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue);
}
public EsThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue, ThreadFactory threadFactory) {
super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory);
}
public EsThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue, RejectedExecutionHandler handler) {
super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, handler);
}
public EsThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue, ThreadFactory threadFactory, RejectedExecutionHandler handler) {
super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory, handler);
}
}

18
src/main/java/org/elasticsearch/threadpool/ThreadPool.java
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@ -36,6 +36,7 @@ import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.SizeValue;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.util.concurrent.EsExecutors;
import org.elasticsearch.common.util.concurrent.EsThreadPoolExecutor;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;
@ -132,9 +133,16 @@ public class ThreadPool extends AbstractComponent {
if ("same".equals(name)) {
continue;
}
int threads = ((ThreadPoolExecutor) holder.executor).getPoolSize();
int queue = ((ThreadPoolExecutor) holder.executor).getQueue().size();
stats.add(new ThreadPoolStats.Stats(name, threads, queue));
int threads = -1;
int queue = -1;
int active = -1;
if (holder.executor instanceof ThreadPoolExecutor) {
ThreadPoolExecutor threadPoolExecutor = (ThreadPoolExecutor) holder.executor;
threads = threadPoolExecutor.getPoolSize();
queue = threadPoolExecutor.getQueue().size();
active = threadPoolExecutor.getActiveCount();
}
stats.add(new ThreadPoolStats.Stats(name, threads, queue, active));
}
return new ThreadPoolStats(stats);
}
@ -210,7 +218,7 @@ public class ThreadPool extends AbstractComponent {
} else if ("cached".equals(type)) {
TimeValue keepAlive = settings.getAsTime("keep_alive", defaultSettings.getAsTime("keep_alive", timeValueMinutes(5)));
logger.debug("creating thread_pool [{}], type [{}], keep_alive [{}]", name, type, keepAlive);
Executor executor = new ThreadPoolExecutor(0, Integer.MAX_VALUE,
Executor executor = new EsThreadPoolExecutor(0, Integer.MAX_VALUE,
keepAlive.millis(), TimeUnit.MILLISECONDS,
new SynchronousQueue<Runnable>(),
threadFactory);
@ -228,7 +236,7 @@ public class ThreadPool extends AbstractComponent {
throw new ElasticSearchIllegalArgumentException("reject_policy [" + rejectSetting + "] not valid for [" + name + "] thread pool");
}
logger.debug("creating thread_pool [{}], type [{}], size [{}], queue_size [{}], reject_policy [{}]", name, type, size, capacity, rejectSetting);
Executor executor = new ThreadPoolExecutor(size, size,
Executor executor = new EsThreadPoolExecutor(size, size,
0L, TimeUnit.MILLISECONDS,
capacity == null ? new LinkedTransferQueue<Runnable>() : new ArrayBlockingQueue<Runnable>((int) capacity.singles()),
threadFactory, rejectedExecutionHandler);

18
src/main/java/org/elasticsearch/threadpool/ThreadPoolStats.java
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@ -40,15 +40,17 @@ public class ThreadPoolStats implements Streamable, ToXContent, Iterable<ThreadP
private String name;
private int threads;
private int queue;
private int active;
Stats() {
}
public Stats(String name, int threads, int queue) {
public Stats(String name, int threads, int queue, int active) {
this.name = name;
this.threads = threads;
this.queue = queue;
this.active = active;
}
public String name() {
@ -75,11 +77,20 @@ public class ThreadPoolStats implements Streamable, ToXContent, Iterable<ThreadP
return this.queue;
}
public int active() {
return this.active;
}
public int getActive() {
return this.active;
}
@Override
public void readFrom(StreamInput in) throws IOException {
name = in.readUTF();
threads = in.readInt();
queue = in.readInt();
active = in.readInt();
}
@Override
@ -87,6 +98,7 @@ public class ThreadPoolStats implements Streamable, ToXContent, Iterable<ThreadP
out.writeUTF(name);
out.writeInt(threads);
out.writeInt(queue);
out.writeInt(active);
}
@Override
@ -98,6 +110,9 @@ public class ThreadPoolStats implements Streamable, ToXContent, Iterable<ThreadP
if (queue != -1) {
builder.field(Fields.QUEUE, queue);
}
if (active != -1) {
builder.field(Fields.ACTIVE, active);
}
builder.endObject();
return builder;
}
@ -147,6 +162,7 @@ public class ThreadPoolStats implements Streamable, ToXContent, Iterable<ThreadP
static final XContentBuilderString THREAD_POOL = new XContentBuilderString("thread_pool");
static final XContentBuilderString THREADS = new XContentBuilderString("threads");
static final XContentBuilderString QUEUE = new XContentBuilderString("queue");
static final XContentBuilderString ACTIVE = new XContentBuilderString("active");
}
@Override