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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HDFS-14601) NameNode HA with single DNS record for NameNode discovery prevent running ZKFC
Date Thu, 01 Aug 2019 18:01:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16898241#comment-16898241
] 

Íñigo Goiri commented on HDFS-14601:
------------------------------------

[~fengnanli] do you mind posting the changes to make it work?
My only concern would be breaking any other case but let's see.

> NameNode HA with single DNS record for NameNode discovery prevent running ZKFC
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-14601
>                 URL: https://issues.apache.org/jira/browse/HDFS-14601
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Kei Kori
>            Assignee: Fengnan Li
>            Priority: Major
>
> ZKFC seems not treat one DNS record for NameNode discovery as multiple NameNodes, so launching
ZKFC is blocked on NameNodes which has only one "dfs.ha.namenodes" definition with DNS for
resolving multiple NameNodes.



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