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Posted to common-issues@hadoop.apache.org by "Akira Ajisaka (JIRA)" <ji...@apache.org> on 2018/11/01 05:17:00 UTC

[jira] [Updated] (HADOOP-10584) ActiveStandbyElector goes down if ZK quorum become unavailable

     [ https://issues.apache.org/jira/browse/HADOOP-10584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Akira Ajisaka updated HADOOP-10584:
-----------------------------------
    Target Version/s: 3.2.0, 2.9.3  (was: 3.2.0, 2.9.2)

> ActiveStandbyElector goes down if ZK quorum become unavailable
> --------------------------------------------------------------
>
>                 Key: HADOOP-10584
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10584
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ha
>    Affects Versions: 2.4.0
>            Reporter: Karthik Kambatla
>            Assignee: Daniel Templeton
>            Priority: Major
>         Attachments: HADOOP-10584.prelim.patch, hadoop-10584-prelim.patch, rm.log
>
>
> ActiveStandbyElector retries operations for a few times. If the ZK quorum itself is down, it goes down and the daemons will have to be brought up again. 
> Instead, it should log the fact that it is unable to talk to ZK, call becomeStandby on its client, and continue to attempt connecting to ZK.



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