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https://issues.apache.org/jira/browse/ZOOKEEPER-1551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13649707#comment-13649707
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Flavio Junqueira commented on ZOOKEEPER-1551:
---------------------------------------------
I have generated a new version of this patch that applies to trunk. The
previous patch that [~thawan] generated has also been affected by the
ZOOKEEPER-107 changes.
This patch depends on ZOOKEEPER-1552 and I verified that the patch there
applies to trunk.
Now I'm a bit confused about the fix versions of these issues. This one says
3.4.6 and 3.5.0. ZOOKEEPER-1552 says 3.5.0. This comments from Thawan:
https://issues.apache.org/jira/browse/ZOOKEEPER-1551?focusedCommentId=13591262&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13591262
says that it might be for 3.4.6 only. To me it sounds like it should be in
3.5.0, since ZOOKEEPER-1552 is an improvement, having it in 3.4.6 is optional.
Any opinion here?
> 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: quorum, server
> Affects Versions: 3.4.3
> Reporter: Thawan Kooburat
> Assignee: Thawan Kooburat
> Priority: Blocker
> Fix For: 3.5.0, 3.4.6
>
> Attachments: ZOOKEEPER-1551.patch, ZOOKEEPER-1551.patch,
> ZOOKEEPER-1551-trunk.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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