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https://issues.apache.org/jira/browse/HDFS-3042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13253867#comment-13253867
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Sanjay Radia commented on HDFS-3042:
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Todd, I would have preferred to have all these done in branch as with the rest
of the HA work.
There is work that remains and this is best done in a branch.
> Automatic failover support for NN HA
> ------------------------------------
>
> Key: HDFS-3042
> URL: https://issues.apache.org/jira/browse/HDFS-3042
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: auto-failover, ha
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
>
> HDFS-1623 was the umbrella task for implementation of NN HA capabilities.
> However, it only focused on manually-triggered failover.
> Given that the HDFS-1623 branch will be merged shortly, I'm opening this JIRA
> to consolidate/track subtasks for automatic failover support and related
> improvements.
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