I started solr, the default use jetty container, but I look through jmx, found
a lot of jetty qtp thread, why?
When I do stress tests, Total waiting is getting bigger
Name: qtp1209271652-17
Status:
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@39bc254b
on TIMED_WAITING
Total number of blocks: 51, Total waiting: 269
Stack trace:
Sun.misc.Unsafe.park (Native Method)
Java.util.concurrent.locks.LockSupport.parkNanos (LockSupport.java:215)
Java.util.concurrent.locks.AbstractQueuedSynchronizer $
ConditionObject.awaitNanos (AbstractQueuedSynchronizer.java:2078)
Org.eclipse.jetty.util.BlockingArrayQueue.poll (BlockingArrayQueue.java:392)
Org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll
(QueuedThreadPool.java:546)
Org.eclipse.jetty.util.thread.QueuedThreadPool.access $ 800
(QueuedThreadPool.java:47)
Org.eclipse.jetty.util.thread.QueuedThreadPool $ 3.run
(QueuedThreadPool.java:609)
Java.lang.Thread.run (Thread.java:745)
--------------- The following is also the pressure test when the crawl
Status:
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@57e34b9e
on TIMED_WAITING
Total number of blocks: 1, Total number of waiting: 814
Stack trace:
Sun.misc.Unsafe.park (Native Method)
Java.util.concurrent.locks.LockSupport.parkUntil (LockSupport.java:256)
Java.util.concurrent.locks.AbstractQueuedSynchronizer $
ConditionObject.awaitUntil (AbstractQueuedSynchronizer.java:2120)
Org.apache.http.pool.PoolEntryFuture.await (PoolEntryFuture.java:136)
Org.apache.http.pool.AbstractConnPool.getPoolEntryBlocking
(AbstractConnPool.java:306)
Org.apache.http.pool.AbstractConnPool.access $ 000 (AbstractConnPool.java:64)
Org.apache.http.pool.AbstractConnPool $ 2.getPoolEntry
(AbstractConnPool.java:192)
Org.apache.http.pool.AbstractConnPool $ 2.getPoolEntry
(AbstractConnPool.java:185)
Org.apache.http.pool.PoolEntryFuture.get (PoolEntryFuture.java:107)
Org.apache.http.impl.conn.PoolingClientConnectionManager.leaseConnection
(PoolingClientConnectionManager.java:208)
Org.apache.http.impl.conn.PoolingClientConnectionManager $ 1.getConnection
(PoolingClientConnectionManager.java:195)
Org.apache.http.impl.client.DefaultRequestDirector.execute
(DefaultRequestDirector.java:423)
Org.apache.http.impl.client.AbstractHttpClient.doExecute
(AbstractHttpClient.java:882)
Org.apache.http.impl.client.CloseableHttpClient.execute
(CloseableHttpClient.java:82)
Org.apache.http.impl.client.CloseableHttpClient.execute
(CloseableHttpClient.java:55)
Org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod
(HttpSolrClient.java:498)
Org.apache.solr.client.solrj.impl.HttpSolrClient.request
(HttpSolrClient.java:262)
Org.apache.solr.client.solrj.impl.HttpSolrClient.request
(HttpSolrClient.java:251)
Org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest
(LBHttpSolrClient.java:435)
Org.apache.solr.client.solrj.impl.LBHttpSolrClient.request
(LBHttpSolrClient.java:387)
Org.apache.solr.handler.component.HttpShardHandlerFactory.makeLoadBalancedRequest
(HttpShardHandlerFactory.java:275)
Org.apache.solr.handler.component.HttpShardHandler.lambda $ submit $ 0
(HttpShardHandler.java:198)
Org.apache.solr.handler.component.HttpShardHandler $$ Lambda $ 107 /
1277830087.call (Unknown Source)
Java.util.concurrent.FutureTask.run (FutureTask.java:266)
Java.util.concurrent.Executors $ RunnableAdapter.call (Executors.java:511)
Java.util.concurrent.FutureTask.run (FutureTask.java:266)
Org.apache.solr.common.util.ExecutorUtil $ MDCAwareThreadPoolExecutor.lambda $
execute $ 0 (ExecutorUtil.java:229)
Org.apache.solr.common.util.ExecutorUtil $ MDCAwareThreadPoolExecutor $$ Lambda
$ 9 / 572523235.run (Unknown Source)
Java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1142)
Java.util.concurrent.ThreadPoolExecutor $ Worker.run
(ThreadPoolExecutor.java:617)
Java.lang.Thread.run (Thread.java:745)
Does anyone know what reason? thank you very much
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