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https://issues.apache.org/jira/browse/HBASE-9092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jimmy Xiang updated HBASE-9092:
-------------------------------
Fix Version/s: 0.95.2
0.98.0
Status: Patch Available (was: Open)
Attached a patch that sending a closing region to the server before trying to
open the region again after it's moved to failed_open state. By that way, the
region won't be opening on the region server any more.
> OpenRegion could be ignored by mistake
> --------------------------------------
>
> Key: HBASE-9092
> URL: https://issues.apache.org/jira/browse/HBASE-9092
> Project: HBase
> Issue Type: Bug
> Components: Region Assignment
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Priority: Minor
> Fix For: 0.98.0, 0.95.2
>
> Attachments: trunk-9092.patch
>
>
> Looked into failed test:
> http://54.241.6.143/job/HBase-0.95/org.apache.hbase$hbase-server/721/testReport/
> In this test run, several tests in TestAssignmentManagerOnCluster failed.
> Most of them timed out because the first failure testOpenFailedUnrecoverable
> used too much resource in deleting the table.
> http://54.241.6.143/job/HBase-0.95/org.apache.hbase$hbase-server/721/testReport/org.apache.hadoop.hbase.master/TestAssignmentManagerOnCluster/testOpenFailedUnrecoverable/
> The reason testOpenFailedUnrecoverable failed is that the second openRegion
> call was ignored since the previous open call was still going on and stayed
> in OpenRegionHandler#doCleanUpOnFailedOpen for too long (perhaps thread
> scheduling issue). The second openRegion call was skipped since the region
> was still in the middle of opening. However, the failed_open event was
> already processed by master. Therefore the region stuck in transition and
> the delete table went no where. It is a similar issue as we ran into before
> while for that time, the region was closing.
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