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Posted to common-issues@hadoop.apache.org by "Ayappan (JIRA)" <ji...@apache.org> on 2015/01/06 10:12:34 UTC

[jira] [Updated] (HADOOP-11462) TestSocketIOTimeout needs change for PowerPC platform

     [ https://issues.apache.org/jira/browse/HADOOP-11462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ayappan updated HADOOP-11462:
-----------------------------
    Attachment: HADOOP-9627-v1.patch

> TestSocketIOTimeout 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
>         Attachments: HADOOP-9627-v1.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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