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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5222) Add offset in client trace
Date Tue, 17 Feb 2009 00:08:02 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Douglas updated HADOOP-5222:
----------------------------------

    Affects Version/s:     (was: 0.21.0)
               Status: Patch Available  (was: Open)

> Add offset in client trace
> --------------------------
>
>                 Key: HADOOP-5222
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5222
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Lei Xu
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: clienttrace.patch
>
>
> By adding offset in client trace, the client trace information can provide more accurately
information about I/O.
> It is useful for performance analyzing.
> Since there is  no random write now, the offset of writing is always zero.

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