[jira] [Commented] (HBASE-18370) Master should attempt reassignment of regions in FAILED_OPEN state

["Andrew Purtell (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-18370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16084424#comment-16084424 ] 

Andrew Purtell commented on HBASE-18370:
----------------------------------------

This could be an interesting one. If agreeable and doable, we want to be able to do this in branch-1 / branch-1.4 as well as branch-2 and up, so there will be two implementations required. 

> Master should attempt reassignment of regions in FAILED_OPEN state
> ------------------------------------------------------------------
>
>                 Key: HBASE-18370
>                 URL: https://issues.apache.org/jira/browse/HBASE-18370
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Andrew Purtell
>
> Currently once a region goes into FAILED_OPEN state this requires operator intervention. With some underlying causes, this is necessary. With others, the master could eventually successfully deploy the region without humans in the loop. The master should optionally attempt automatic resolution of FAILED_OPEN states with a strategy of: delay, unassign, reassign. 



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