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https://issues.apache.org/jira/browse/GEODE-8493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sarah Abbey reassigned GEODE-8493:
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Assignee: Sarah Abbey
> idle clients can cause server stuck thread warnings
> ---------------------------------------------------
>
> Key: GEODE-8493
> URL: https://issues.apache.org/jira/browse/GEODE-8493
> Project: Geode
> Issue Type: Bug
> Components: redis
> Reporter: Darrel Schneider
> Assignee: Sarah Abbey
> Priority: Major
>
> Idle connection threads may produce warning messages like:
>
> {{[vm1] [warn 2020/09/02 14:31:36.580 PDT <ThreadsMonitor> tid=0x1c] Thread
> <87> (0x57) that was executed at <02 Sep 2020 14:29:12 PDT> has been stuck
> for <144.113 seconds> and number of thread monitor iteration <2>
> [vm1] Thread Name <Pooled Waiting Message Processor 2> state <WAITING>
> [vm1] Waiting on
> <java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@25b1a95e>
> [vm1] Executor Group <PooledExecutorWithDMStats>
> [vm1] Monitored metric <ResourceManagerStats.numThreadsStuck>
> [vm1] Thread stack:
> [vm1] sun.misc.Unsafe.park(Native Method)
> [vm1] java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> [vm1]
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> [vm1]
> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> [vm1]
> org.apache.geode.redis.internal.netty.ExecutionHandlerContext.takeCommandFromQueue(ExecutionHandlerContext.java:139)
> [vm1]
> org.apache.geode.redis.internal.netty.ExecutionHandlerContext.processCommandQueue(ExecutionHandlerContext.java:125)
> [vm1]
> org.apache.geode.redis.internal.netty.ExecutionHandlerContext$$Lambda$320/28815321.run(Unknown
> Source)
> [vm1]
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)}}
> if the thread (client) becomes idle for some time. These messages will
> probably worry users. We should be able to safely switch to a having the
> {{ExecutionHandlerContext}} simply run its own thread to process the command
> Q.
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