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From "Andrey Klochkov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4491) Parallel testing HDFS
Date Fri, 24 May 2013 19:45:21 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13666599#comment-13666599
] 

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

[~jlowe], thanks for the feedback. I'm refreshing the patch. To your questions:
- Yes, I verified that removal of determineDfsBaseDir doesn't introduce problems in HBase,
Hive and Pig
- Agree that it'd be great to have a common mechanism of allocating ports dynamically, but
it's not just setIpcPort, there are many other places. Still I'd say hardcoding port numbers
is used pretty rarely and most of the chance of overlapping is small, so I'd vote for just
introducing a guideline for checking port numbers if hardcoded ports are used in a test, instead
of automating it.
- Reworked this part a bit transforming URLUtils into URLConnectionFactory, thus encapsulating
timeout handling into it and allowing tests to override the default factory in WebHdfsFileSystem
and HftpFileSystem. So there are no additional methods with the timeout parameter anymore,
and no null checks as well. Please take a look.
                
> 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--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.patch
>
>
> Parallel execution of HDFS tests in multiple forks. See HADOOP-9287 for details.

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