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Posted to issues@ratis.apache.org by "Lokesh Jain (Jira)" <ji...@apache.org> on 2020/02/11 13:05:00 UTC

[jira] [Created] (RATIS-814) High CPU usage by TimeoutScheduler due to JDK bug JDK-8129861

Lokesh Jain created RATIS-814:
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             Summary: 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


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.



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