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From "Schubert Zhang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1778) Improve PerformanceEvaluation
Date Sat, 22 Aug 2009 11:17:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12746440#action_12746440
] 

Schubert Zhang commented on HBASE-1778:
---------------------------------------

Here, I just attach our report of this performance evaluation, thanks for the good comments
from JG (Jonathan Gray), stack, etc.
Please have a review and comment. 

> Improve PerformanceEvaluation
> -----------------------------
>
>                 Key: HBASE-1778
>                 URL: https://issues.apache.org/jira/browse/HBASE-1778
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 0.20.0
>            Reporter: Schubert Zhang
>            Assignee: Schubert Zhang
>            Priority: Minor
>             Fix For: 0.20.1
>
>         Attachments: HBase-0.20.0-PE.pdf, HBASE-1778.patch
>
>
> Current PerformanceEvaluation class have two problems:
> - It is not updated for hadoop-0.20.0. 
> - The approach to split maps is not strict. Need to provide correct InputSplit and InputFormat
classes. Current code uses TextInputFormat and FileSplit, it is not reasonable.
> We will fix these problems.

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