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https://issues.apache.org/jira/browse/ZOOKEEPER-1558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13747684#comment-13747684
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Flavio Junqueira commented on ZOOKEEPER-1558:
---------------------------------------------

I'd really like to either get a +1 here to commit it to 3.4.6 or a confirmation 
that we will also get ZK-1549 committed to 3.4.6. To provide some context, the 
fix of 3.5.0 has BC issues, check this comment by [~thawan]:

https://issues.apache.org/jira/browse/ZOOKEEPER-1549?focusedCommentId=13567348&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13567348
                
> Leader should not snapshot uncommitted state
> --------------------------------------------
>
>                 Key: ZOOKEEPER-1558
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1558
>             Project: ZooKeeper
>          Issue Type: Sub-task
>          Components: quorum
>            Reporter: Flavio Junqueira
>            Assignee: Flavio Junqueira
>            Priority: Blocker
>             Fix For: 3.4.6
>
>         Attachments: ZOOKEEPER-1558.patch, ZOOKEEPER-1558.patch, 
> ZOOKEEPER-1558.patch, ZOOKEEPER-1558.patch
>
>
> Leader currently takes a snapshot when it calls loadData in the beginning of 
> the lead() method. The loaded data, however, may contain uncommitted state.

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