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https://issues.apache.org/jira/browse/HBASE-5344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208036#comment-13208036
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Phabricator commented on HBASE-5344:
------------------------------------
stack has commented on the revision "[jira] [HBASE-5344] [89-fb] Scan
unassigned region directory on master failover".
Looking forward to it.
Why the change in direction? Why not ask the regionservers? (Out of
interest?) Good stuff.
REVISION DETAIL
https://reviews.facebook.net/D1605
> [89-fb] Scan unassigned region directory on master failover
> -----------------------------------------------------------
>
> Key: HBASE-5344
> URL: https://issues.apache.org/jira/browse/HBASE-5344
> Project: HBase
> Issue Type: Bug
> Reporter: Mikhail Bautin
> Assignee: Mikhail Bautin
> Attachments: D1605.1.patch
>
>
> In case the master dies after a regionserver writes region state as OPENED or
> CLOSED in ZK but before the update is received by master and written to meta,
> the new master that comes up has to pick up the region state from ZK and
> write it to meta. Otherwise we can get multiply-assigned regions.
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