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https://issues.apache.org/jira/browse/ZOOKEEPER-1551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13471831#comment-13471831
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Flavio Junqueira commented on ZOOKEEPER-1551:
---------------------------------------------
Sounds fine. I'd like to have closer look at the tests, but otherwise it looks
good to me.
> Observer ignore txns that comes after snapshot and UPTODATE
> ------------------------------------------------------------
>
> Key: ZOOKEEPER-1551
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1551
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.4.3
> Reporter: Thawan Kooburat
> Assignee: Thawan Kooburat
> Priority: Critical
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-1551.patch
>
>
> In Learner.java, txns which comes after the learner has taken the snapshot
> (after NEWLEADER packet) are stored in packetsNotCommitted. The follower has
> special logic to apply these txns at the end of syncWithLeader() method.
> However, the observer will ignore these txns completely, causing data
> inconsistency.
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