[jira] [Created] (HDFS-7922) ShortCircuitCache#close is not releasing ScheduledThreadPoolExecutors

["Rakesh R (JIRA)" <ji...@apache.org>]

Rakesh R created HDFS-7922:
------------------------------

             Summary: 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


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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