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https://issues.apache.org/jira/browse/HADOOP-8212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon resolved HADOOP-8212.
---------------------------------
Resolution: Fixed
Fix Version/s: (was: 2.0.0)
Auto Failover (HDFS-3042)
Target Version/s: Auto Failover (HDFS-3042) (was: 0.24.0, 0.23.3, Auto
Failover (HDFS-3042))
> Improve ActiveStandbyElector's behavior when session expires
> ------------------------------------------------------------
>
> Key: HADOOP-8212
> URL: https://issues.apache.org/jira/browse/HADOOP-8212
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 0.23.3, 0.24.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: Auto Failover (HDFS-3042)
>
> Attachments: hadoop-8212-delta-bikas.txt, hadoop-8212.txt,
> hadoop-8212.txt
>
>
> Currently when the ZK session expires, it results in a fatal error being sent
> to the application callback. This is not the best behavior -- for example, in
> the case of HA, if ZK goes down, we would like the current state to be
> maintained, rather than causing either NN to abort. When the ZK clients are
> able to reconnect, they should sort out the correct leader based on the
> normal locking schemes.
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