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https://issues.apache.org/jira/browse/HBASE-4739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13147495#comment-13147495
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ramkrishna.s.vasudevan commented on HBASE-4739:
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In this scenario what JD has told is there was no close call at all that
reached the RS.
What you say is valid Gao. But currently if we see closing state we just leave
it to the system to take care and we dont take any action. Atleast that we can
change correct ?
> Master dying while going to close a region can leave it in transition forever
> -----------------------------------------------------------------------------
>
> Key: HBASE-4739
> URL: https://issues.apache.org/jira/browse/HBASE-4739
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.4
> Reporter: Jean-Daniel Cryans
> Priority: Minor
> Fix For: 0.92.0, 0.94.0, 0.90.5
>
>
> I saw this in the aftermath of HBASE-4729 on a 0.92 refreshed yesterday, when
> the master died it had just created the RIT znode for a region but didn't
> tell the RS to close it yet.
> When the master restarted it saw the znode and started printing this:
> {quote}
> 2011-11-03 00:02:49,130 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition timed
> out: TestTable,0007560564,1320253568406.f76899564cabe7e9857c3aeb526ec9dc.
> state=CLOSING, ts=1320253605285, server=sv4r11s38,62003,1320195046948
> 2011-11-03 00:02:49,130 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Region has been CLOSING for
> too long, this should eventually complete or the server will expire, doing
> nothing
> {quote}
> It's never going to happen, and it's blocking balancing.
> I'm marking this as minor since I believe this situation is pretty rare
> unless you hit other bugs while trying out stuff to root bugs out.
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