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https://issues.apache.org/jira/browse/HBASE-7156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13496499#comment-13496499
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stack commented on HBASE-7156:
------------------------------

[~mbertozzi] If PE implemented 
http://hadoop.apache.org/docs/current/api/org/apache/hadoop/util/Tool.html, 
you'd get the -D stuff and some other bits and pieces for free?   As Himanshu 
says, this might not work the way folks expect:

{code}
+        if (cmd.equals("-D")) {
{code}

Often they won't have the space between the '-D' and config.
                
> Add Data Block Encoding and -D opts to Performance Evaluation
> -------------------------------------------------------------
>
>                 Key: HBASE-7156
>                 URL: https://issues.apache.org/jira/browse/HBASE-7156
>             Project: HBase
>          Issue Type: Improvement
>          Components: test
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Minor
>         Attachments: HBASE-7156-v0.patch, HBASE-7156-v1.patch
>
>
> Add the ability to specify Data Block Encoding and other configuration 
> options.
> --blockEncoding=TYPE
> -D <property=value>
> Example:
> hbase org.apache.hadoop.hbase.PerformanceEvaluation -D 
> mapreduce.task.timeout=60000 --blockEncoding=DIFF sequentialWrite 1

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