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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14543) ZKFC should use getAversion() while setting the zkacl
Date Sat, 24 Jun 2017 00:05:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16061666#comment-16061666
] 

Brahma Reddy Battula commented on HADOOP-14543:
-----------------------------------------------

[~arpitagarwal] thanks for review and commit.and thanks again to [~rakeshr] for review.

> ZKFC should use getAversion() while setting the zkacl
> -----------------------------------------------------
>
>                 Key: HADOOP-14543
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14543
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>             Fix For: 2.9.0, 3.0.0-alpha4
>
>         Attachments: HADOOP-14543-002.patch, HADOOP-14543-003.patch, HADOOP-14543.patch
>
>
> while setting the zkacl we used {{getVersion()}} which is dataVersion,Ideally we should
use {{getAversion()}}. If there is any acl changes( i.e relam change/..) ,we set the ACL with
dataversion which will cause BADVersion and *process will not start*. See [here|https://issues.apache.org/jira/browse/HDFS-11403?focusedCommentId=16051804&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16051804]
> {{zkClient.setACL(path, zkAcl, stat.getVersion());}}



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