[
https://issues.apache.org/jira/browse/RATIS-814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17049181#comment-17049181
]
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)
