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https://issues.apache.org/jira/browse/HDFS-7627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sam liu updated HDFS-7627:
--------------------------
    Attachment: HDFS-7627.001.patch

Remove the hardcode on block size, and use 
'NativeIO.POSIX.getCacheManipulator().getOperatingSystemPageSize()' instead.

> TestCacheDirectives hardcode block size without considering native OS
> ---------------------------------------------------------------------
>
>                 Key: HDFS-7627
>                 URL: https://issues.apache.org/jira/browse/HDFS-7627
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>            Reporter: sam liu
>            Assignee: sam liu
>         Attachments: HDFS-7627.001.patch
>
>
> TestCacheDirectives hardcode block size with 'BLOCK_SIZE = 4096', however 
> it's incorrect on some platforms. For example, on power platform, the correct 
> value is 65536.



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