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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6579) TestSocketIOWithTimeout#testSocketIOWithTimeout fails on Power PC
Date Fri, 20 Jun 2014 19:13:26 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14039209#comment-14039209
] 

Arpit Agarwal commented on HDFS-6579:
-------------------------------------

Is this ppc64 Linux?

The patch looks fine to me. Just a suggestion, there is OS type detection in Shell.Java. e.g.
see {{Shell.getOSType}}. Perhaps you can extend that to include your target platform and add
a static helper similar to {{Shell.WINDOWS}}. Not the ideal location to have this logic and
there was a proposal to abstract out platform-specific checks into a separate module but for
now we can at least keep them in one location.

> TestSocketIOWithTimeout#testSocketIOWithTimeout fails on Power PC 
> ------------------------------------------------------------------
>
>                 Key: HDFS-6579
>                 URL: https://issues.apache.org/jira/browse/HDFS-6579
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.1.0-beta, 2.0.4-alpha, 2.2.0, 2.3.0, 2.4.0
>            Reporter: Jinghui Wang
>             Fix For: 2.4.1
>
>         Attachments: HDFS-6579.patch
>
>
> SocketOutputStream closes its writer if it's partial written. But on PPC, after writing
for some time, buf.capacity still equals buf.remaining. The reason might be what's written
on PPC is buffered,so the buf.remaining will not change till a flush.



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