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From "Andrey Klochkov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4491) Parallel testing HDFS
Date Wed, 04 Sep 2013 00:45:52 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13757327#comment-13757327
] 

Andrey Klochkov commented on HDFS-4491:
---------------------------------------

Definitely NetUtils.getFreeSocketPort which is used by MiniDFSCluster to find ports for data
nodes is a source of problems as it finds an available socket, the closes it, then returns
the port number to the caller.
                
> Parallel testing HDFS
> ---------------------
>
>                 Key: HDFS-4491
>                 URL: https://issues.apache.org/jira/browse/HDFS-4491
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: test
>    Affects Versions: 3.0.0
>            Reporter: Tsuyoshi OZAWA
>            Assignee: Andrey Klochkov
>         Attachments: HDFS-4491--n10.patch, HDFS-4491--n10.patch, HDFS-4491--n11.patch,
HDFS-4491--n11.patch, HDFS-4491--n2.patch, HDFS-4491--n3.patch, HDFS-4491--n4.patch, HDFS-4491--n5.patch,
HDFS-4491--n6.patch, HDFS-4491--n7.patch, HDFS-4491--n8.patch, HDFS-4491--n9.patch, HDFS-4491.patch
>
>
> Parallel execution of HDFS tests in multiple forks. See HADOOP-9287 for details.

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