[jira] [Commented] (HBASE-21759) master can balance regions onto a known dead server

["Sean Busbey (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-21759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16749978#comment-16749978 ] 

Sean Busbey commented on HBASE-21759:
-------------------------------------

I suspect this might be present in branches-2 as well

> master can balance regions onto a known dead server
> ---------------------------------------------------
>
>                 Key: HBASE-21759
>                 URL: https://issues.apache.org/jira/browse/HBASE-21759
>             Project: HBase
>          Issue Type: Bug
>          Components: amv2, Region Assignment
>    Affects Versions: 3.0.0
>            Reporter: Sergey Shelukhin
>            Priority: Critical
>
> {noformat}
> 2019-01-18 09:42:45,664 INFO  [PEWorker-1] procedure.ServerCrashProcedure: Start pid=104009, state=RUNNABLE:SERVER_CRASH_START, hasLock=true; ServerCrashProcedure server=server,17020,1547824687684, splitWal=true, meta=false
> 2019-01-18 09:42:46,063 INFO  [PEWorker-6] master.SplitLogManager: dead splitlog workers [server,17020,1547824687684]
> ...
> 2019-01-18 09:42:57,003 INFO  [PEWorker-6] master.SplitLogManager: Finished splitting (more than or equal to) 82490392538 bytes in 77 log files in [.../WALs/server,17020,1547824687684-splitting] in 10937ms
> [1+ minutes later]
> 2019-01-18 09:44:01,967 INFO  [master/master:17000.Chore.1] master.HMaster: balance hri=77387653ba3dc0988342bfbdc0c6901c, source=...,17020,1547827296275, destination=server,17020,1547824687684
> 2019-01-18 09:44:26,119 INFO  [master/master:17000.Chore.1] master.HMaster: balance hri=c2f68f73fa55ab4afe8348e4c1b14cad, source=...,17020,1547824649171, destination=server,17020,1547824687684
> {noformat}
> Didn't investigate much, just noticed this as part of investigating something else.



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