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Posted to dev@zookeeper.apache.org by "Benjamin Reed (JIRA)" <ji...@apache.org> on 2011/06/07 07:47:59 UTC

[jira] [Updated] (ZOOKEEPER-335) zookeeper servers should commit the new leader txn to their logs.

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Reed updated ZOOKEEPER-335:
------------------------------------

    Attachment: ZOOKEEPER-335.patch

> zookeeper servers should commit the new leader txn to their logs.
> -----------------------------------------------------------------
>
>                 Key: ZOOKEEPER-335
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-335
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: server
>    Affects Versions: 3.1.0
>            Reporter: Mahadev konar
>            Assignee: Mahadev konar
>            Priority: Blocker
>             Fix For: 3.4.0
>
>         Attachments: ZOOKEEPER-335.patch, ZOOKEEPER-790.travis.log.bz2, faultynode-vishal.txt, zk.log.gz, zklogs.tar.gz
>
>
> currently the zookeeper followers do not commit the new leader election. This will cause problems in a failure scenarios with a follower acking to the same leader txn id twice, which might be two different intermittent leaders and allowing them to propose two different txn's of the same zxid.

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