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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12457) Regions in transition for a long time when CLOSE interleaves with a slow compaction
Date Mon, 03 Jul 2017 04:49:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16071919#comment-16071919
] 

Hadoop QA commented on HBASE-12457:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:blue}0{color} | {color:blue} patch {color} | {color:blue}  0m  3s{color} | {color:blue}
The patch file was not named according to hbase's naming conventions. Please see https://yetus.apache.org/documentation/0.4.0/precommit-patchnames
for instructions. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  7s{color} | {color:red}
HBASE-12457 does not apply to master. Rebase required? Wrong Branch? See https://yetus.apache.org/documentation/0.4.0/precommit-patchnames
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HBASE-12457 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12681485/12457-trunk-v3.txt
|
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/7468/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


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> Regions in transition for a long time when CLOSE interleaves with a slow compaction
> -----------------------------------------------------------------------------------
>
>                 Key: HBASE-12457
>                 URL: https://issues.apache.org/jira/browse/HBASE-12457
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.98.7
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>         Attachments: 12457-combined-0.98.txt, 12457-combined-0.98-v2.txt, 12457-combined-trunk.txt,
12457.interrupt.txt, 12457.interrupt-v2.txt, 12457-minifix.txt, 12457-trunk-v3.txt, HBASE-12457_addendum.patch,
HBASE-12457.patch, TestRegionReplicas-jstack.txt
>
>
> Under heave load we have observed regions remaining in transition for 20 minutes when
the master requests a close while a slow compaction is running.
> The pattern is always something like this:
> # RS starts a compaction
> # HM request the region to be closed on this RS
> # Compaction is not aborted for another 20 minutes
> # The region is in transition and not usable.
> In every case I tracked down so far the time between the requested CLOSE and abort of
the compaction is almost exactly 20 minutes, which is suspicious.
> Of course part of the issue is having compactions that take over 20 minutes, but maybe
we can do better here.



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