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From "Dima Spivak (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12740) Improve performance of TestHBaseFsck
Date Tue, 23 Dec 2014 19:00:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257360#comment-14257360

Dima Spivak commented on HBASE-12740:


Would you mind posting another patch of this rebased to the latest commit of master? I can't
apply it cleanly since it collides with your changes in HBASE-12736. I'll take one final look
around once hadoop-qa runs on that, but this looks fantastic. Well done.

> 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
>         Attachments: HBASE-12740-v1.patch, HBASE-12740-v2.patch, HBASE-12740.patch
> 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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