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https://issues.apache.org/jira/browse/HDFS-7922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14393121#comment-14393121
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Hudson commented on HDFS-7922:
------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #2101 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2101/])
HDFS-7922. ShortCircuitCache#close is not releasing
ScheduledThreadPoolExecutors (Rakesh R via Colin P. McCabe) (cmccabe: rev
3c7adaaf3571c91fee80585472d2a81402a53e2b)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/shortcircuit/TestShortCircuitCache.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/shortcircuit/ShortCircuitCache.java
> ShortCircuitCache#close is not releasing ScheduledThreadPoolExecutors
> ---------------------------------------------------------------------
>
> Key: HDFS-7922
> URL: https://issues.apache.org/jira/browse/HDFS-7922
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Rakesh R
> Assignee: Rakesh R
> Fix For: 2.8.0
>
> Attachments: 001-HDFS-7922.patch, 002-HDFS-7922.patch,
> 003-HDFS-7922.patch, 004-HDFS-7922.patch
>
>
> ShortCircuitCache has the following executors. It would be good to shutdown
> these pools during ShortCircuitCache#close to avoid leaks.
> {code}
> /**
> * The executor service that runs the cacheCleaner.
> */
> private final ScheduledThreadPoolExecutor cleanerExecutor
> = new ScheduledThreadPoolExecutor(1, new ThreadFactoryBuilder().
> setDaemon(true).setNameFormat("ShortCircuitCache_Cleaner").
> build());
> /**
> * The executor service that runs the cacheCleaner.
> */
> private final ScheduledThreadPoolExecutor releaserExecutor
> = new ScheduledThreadPoolExecutor(1, new ThreadFactoryBuilder().
> setDaemon(true).setNameFormat("ShortCircuitCache_SlotReleaser").
> build());
> {code}
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