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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-2057) Wait time to terminate the threads causing unit tests to take longer time
Date Fri, 10 Jun 2011 00:47:58 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas resolved HDFS-2057.
-----------------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]

I committed the patch to 204, 205 and branch-0.20-security. Thank you Bharath.

> Wait time to terminate the threads causing unit tests to take longer time
> -------------------------------------------------------------------------
>
>                 Key: HDFS-2057
>                 URL: https://issues.apache.org/jira/browse/HDFS-2057
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: 0.20.204.0, 0.20.205.0
>            Reporter: Bharath Mundlapudi
>            Assignee: Bharath Mundlapudi
>             Fix For: 0.20.205.0
>
>         Attachments: HDFS-2057-1.patch
>
>
> As a part of datanode process hang, this part of code was introduced in 0.20.204 to clean
up all the waiting threads.
> -      try {
> -          readPool.awaitTermination(10, TimeUnit.SECONDS);
> -      } catch (InterruptedException e) {
> -       LOG.info("Exception occured in doStop:" + e.getMessage());
> -      }
> -      readPool.shutdownNow();
> This was clearly meant for production, but all the unit tests uses minidfscluster and
minimrcluster for shutdown which waits on this part of the code. Due to this, we saw increase
in unit test run times. So removing this code. 

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