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https://issues.apache.org/jira/browse/HADOOP-11462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14269428#comment-14269428
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Hudson commented on HADOOP-11462:
---------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #2018 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2018/])
HADOOP-11462. TestSocketIOWithTimeout needs change for PowerPC platform.
Contributed by Ayappan. (cnauroth: rev 3ed0aed3cc4c2c7f96d3c5dd95d8dcd4eb8e888a)
*
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestSocketIOWithTimeout.java
* hadoop-common-project/hadoop-common/CHANGES.txt
> TestSocketIOWithTimeout needs change for PowerPC platform
> ---------------------------------------------------------
>
> Key: HADOOP-11462
> URL: https://issues.apache.org/jira/browse/HADOOP-11462
> Project: Hadoop Common
> Issue Type: Bug
> Components: test
> Affects Versions: 2.5.2
> Environment: PowerPC
> Reporter: Ayappan
> Assignee: Ayappan
> Fix For: 2.7.0
>
> Attachments: HADOOP-9627-v1.patch, HADOOP-9627-v2.patch
>
>
> TestSocketIOWithTimeout uses a block size of 4192 bytes to simulate a partial
> write. This seems to be a valid in x86 architecture where the default minimum
> blocksize is 4096.
> This testcase fails in PowerPC where the default minimum block size is 65536
> bytes (64KB). So for PowerPC, using a blocksize little more than 64K , say
> 65555(65536 + 19) holds good for this scenario.
> I attached a patch here where i made it very general by introducing
> NativeIO.POSIX.getCacheManipulator().getOperatingSystemPageSize() to get the
> page size.
> I tested my patch in both ppc64 and x86 linux machines.
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