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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7922) ShortCircuitCache#close is not releasing ScheduledThreadPoolExecutors
Date Fri, 03 Apr 2015 13:33:53 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14394423#comment-14394423
] 

Rakesh R commented on HDFS-7922:
--------------------------------

Thanks [~cmccabe] for reviewing and committing the changes!

> 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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