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Mukul Kumar Singh commented on RATIS-814: ----------------------------------------- Thanks for working on this [~ljain]. +1 I have committed this to master. > High CPU usage by TimeoutScheduler due to JDK bug JDK-8129861 > ------------------------------------------------------------- > > Key: RATIS-814 > URL: https://issues.apache.org/jira/browse/RATIS-814 > Project: Ratis > Issue Type: Bug > Reporter: Lokesh Jain > Assignee: Lokesh Jain > Priority: Major > Fix For: 0.6.0 > > Attachments: RATIS-814.001.patch, flamegraph.svg > > > TimeoutScheduler creates an instance of ScheduledThreadPoolExecutor with 0 > core pool threads. There is a bug in JDK > [https://bugs.openjdk.java.net/browse/JDK-8129861] which causes high CPU > usage if ScheduledThreadPoolExecutor is instantiated with 0 core pool > threads. The bug was fixed in Java 9. -- This message was sent by Atlassian Jira (v8.3.4#803005)