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https://issues.apache.org/jira/browse/HBASE-20651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16535243#comment-16535243
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huaxiang sun commented on HBASE-20651:
--------------------------------------
Attach v2 patch which addresses Esteban's comments. I manually run the test,
tried to call offline for a split parent region and it is rejected with the
patch, the following assign() does not succeed which is expected.
{code}
2018-07-06 11:58:30,908 INFO
[B.defaultRpcServer.handler=25,queue=1,port=57561] master.MasterRpcServices:
Client=hsun//127.0.0.1 offline
t1,,1530901282525.1765b05f4bf0300d264d0c540493985c.
2018-07-06 11:58:30,908 INFO
[B.defaultRpcServer.handler=25,queue=1,port=57561] master.AssignmentManager:
Try to offline region 1765b05f4bf0300d264d0c540493985c, which is at state
SPLIT, skip
2018-07-06 11:59:32,692 INFO
[B.defaultRpcServer.handler=13,queue=1,port=57561] master.MasterRpcServices:
Client=hsun//127.0.0.1 assign
t1,,1530901282525.1765b05f4bf0300d264d0c540493985c.
2018-07-06 11:59:32,693 ERROR
[B.defaultRpcServer.handler=13,queue=1,port=57561] master.AssignmentManager:
Trying to assign region {ENCODED => 1765b05f4bf0300d264d0c540493985c, NAME =>
't1,,1530901282525.1765b05f4bf0300d264d0c540493985c.', STARTKEY => '', ENDKEY
=> ''}, which is {1765b05f4bf0300d264d0c540493985c state=SPLIT,
ts=1530903491314, server=localhost,57563,1530901168490}
13
{code}
> Master, prevents hbck or shell command to reassign the split parent region
> --------------------------------------------------------------------------
>
> Key: HBASE-20651
> URL: https://issues.apache.org/jira/browse/HBASE-20651
> Project: HBase
> Issue Type: Improvement
> Components: master
> Affects Versions: 1.2.6
> Reporter: huaxiang sun
> Assignee: huaxiang sun
> Priority: Minor
> Attachments: HBASE-20651-branch-1-v001.patch,
> HBASE-20651-branch-1-v002.patch
>
>
> We are seeing that hbck brings back split parent region and this causes
> region inconsistency. More details will be filled as reproduce is still
> ongoing. Might need to do something at hbck or master to prevent this from
> happening.
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