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Posted to issues@ratis.apache.org by "Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org> on 2018/12/03 21:50:00 UTC

[jira] [Updated] (RATIS-447) LogAppender should times out if readStateMachineData takes a long time.

     [ https://issues.apache.org/jira/browse/RATIS-447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo Nicholas Sze updated RATIS-447:
--------------------------------------
    Attachment: r447_20181203.patch

> LogAppender should times out if readStateMachineData takes a long time.
> -----------------------------------------------------------------------
>
>                 Key: RATIS-447
>                 URL: https://issues.apache.org/jira/browse/RATIS-447
>             Project: Ratis
>          Issue Type: Bug
>          Components: server
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>            Priority: Major
>         Attachments: r447_20181203.patch
>
>
> When readStateMachineData takes a long time, LogAppender will wait indefinitely until it returns.  In such case, the leader may not able to send heartbeat to the followers in time so that  the followers may start a leader election.
> Thanks [~msingh] and [~ljain] to discover this bug.



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