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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4376) Intermittent timeout of TestBalancerWithNodeGroup
Date Sat, 05 Oct 2013 13:05:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13787204#comment-13787204
] 

Junping Du commented on HDFS-4376:
----------------------------------

There is race condition in BalancerDatanode.incScheduledSize() which cause inconsistency of
counters.

> Intermittent timeout of TestBalancerWithNodeGroup
> -------------------------------------------------
>
>                 Key: HDFS-4376
>                 URL: https://issues.apache.org/jira/browse/HDFS-4376
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: balancer, test
>    Affects Versions: 2.0.3-alpha
>            Reporter: Aaron T. Myers
>            Assignee: Junping Du
>            Priority: Minor
>         Attachments: BalancerTest-HDFS-4376-v1.tar.gz, HDFS-4376-v1.patch, test-balancer-with-node-group-timeout.txt
>
>
> HDFS-4261 fixed several issues with the balancer and balancer tests, and reduced the
frequency with which TestBalancerWithNodeGroup times out. Despite this, occasional timeouts
still occur in this test. This JIRA is to track and fix this problem.



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