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Posted to issues@ratis.apache.org by "Lokesh Jain (Jira)" <ji...@apache.org> on 2020/02/11 13:09:00 UTC
[jira] [Updated] (RATIS-814) High CPU usage by TimeoutScheduler due
to JDK bug JDK-8129861
[ https://issues.apache.org/jira/browse/RATIS-814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lokesh Jain updated RATIS-814:
------------------------------
Attachment: RATIS-814.001.patch
> 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
> Attachments: RATIS-814.001.patch
>
>
> 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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