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https://issues.apache.org/jira/browse/HBASE-12740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14261713#comment-14261713
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Hudson commented on HBASE-12740:
--------------------------------
FAILURE: Integrated in HBase-TRUNK #5980 (See
[https://builds.apache.org/job/HBase-TRUNK/5980/])
HBASE-12740 Improve performance of TestHBaseFsck (stack: rev
baa2d05374efc0f5b95b8f1f779462038a9f96b2)
*
hbase-server/src/test/java/org/apache/hadoop/hbase/util/hbck/TestOfflineMetaRebuildHole.java
*
hbase-server/src/test/java/org/apache/hadoop/hbase/util/hbck/HbckTestingUtil.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestHBaseFsck.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsckRepair.java
> Improve performance of TestHBaseFsck
> ------------------------------------
>
> Key: HBASE-12740
> URL: https://issues.apache.org/jira/browse/HBASE-12740
> Project: HBase
> Issue Type: Bug
> Components: util
> Reporter: Jurriaan Mous
> Assignee: Jurriaan Mous
> Fix For: 1.0.0, 2.0.0, 1.1.0
>
> Attachments: HBASE-12740-v1.patch, HBASE-12740-v2.patch,
> HBASE-12740-v3.patch, HBASE-12740-v4.patch, HBASE-12740-v4.patch,
> HBASE-12740.patch, PROFILE_after_patch.png,
> PROFILE_before_patch_test_fails.png
>
>
> TestHBaseFsck performs poor on my machine. It crashes because the threads
> reach the 2000 thread limit on my machine. Looking at the code a lot of
> optimization is possible and some API calls are used wrong. A lot of Admin
> instances are created and never closed, lots of Tables are not closed,
> ThreadPoolExecutors are not shut down and an unlimited thread pool which does
> not recycle threads.
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