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https://issues.apache.org/jira/browse/HBASE-678?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Kellerman updated HBASE-678:
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Fix Version/s: (was: 0.18.0)
0.19.0
> hbase needs a 'safe-mode'
> -------------------------
>
> Key: HBASE-678
> URL: https://issues.apache.org/jira/browse/HBASE-678
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: stack
> Assignee: Jim Kellerman
> Priority: Critical
> Fix For: 0.19.0
>
>
> Internally we have a cluster of thousands of regions. We just did a hbase
> restart w/ master on new node. Just so happened that one of the
> regionservers was running extra slow (was downloaded by other processes).
> Meant that its portion of the assigments was taking a long time to come up...
> While these regions were stuck in deploy mode, the cluster is not useable.
> We need a sort of 'safe-mode' in hbase where clients fail if they try to
> attach to a cluster not yet fully up. UI should show when all assignments
> have been successfully made so admin can at least see when they have a
> problematic regionserver in their midst.
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