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
