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https://issues.apache.org/jira/browse/ZOOKEEPER-596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mahadev konar updated ZOOKEEPER-596:
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Status: Patch Available (was: Open)
> The last logged zxid calculated by zookeeper servers could cause problems in
> leader election if data gets corrupted.
> --------------------------------------------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-596
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-596
> Project: Zookeeper
> Issue Type: Bug
> Affects Versions: 3.2.1
> Reporter: Mahadev konar
> Assignee: Mahadev konar
> Fix For: 3.3.0
>
> Attachments: ZOOKEEPER-596.patch, ZOOKEEPER-596.patch,
> ZOOKEEPER-596.patch, ZOOKEEPER-596.patch, ZOOKEEPER-596.patch,
> ZOOKEEPER-596.patch
>
>
> It is possible that the last loggged zxid as reported by all the servers
> during leader election is not the last zxid that the server can upload data
> to. It is very much possible that some transaction or snapshot gets corrupted
> and the servers actually do not have valid data till last logged zxid. We
> need to make sure that what the servers report as there last logged zxid,
> they are able to load data till that zxid.
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