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https://issues.apache.org/jira/browse/HDFS-7922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14391707#comment-14391707
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Colin Patrick McCabe commented on HDFS-7922:
--------------------------------------------
Hi [~rakeshr], I agree that the test failure looks unrelated. I was unable to
reproduce it locally.
+1. Committed to 2.8. Thanks again.
> 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
> 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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