Version: solr cloud 7.5 OS: CentOS 7 JDK: Oracle JDK 1.8.0_191 We are noticing high CPU utilization on below threads. Looks like a known issue with. (https://github.com/netty/netty/issues/327) But not sure if this has been addressed in any of the 1.8 releases. Please help.
"qtp574568002-3821728" #3821728 prio=5 os_prio=0 tid=0x00007f4f20018000 nid=0x4996 runnable [0x00007f51fc6d8000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x000000064cded430> (a sun.nio.ch.Util$3) - locked <0x000000064cded418> (a java.util.Collections$UnmodifiableSet) - locked <0x000000064cdf6e38> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396) at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680) at java.lang.Thread.run(Thread.java:748)