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https://issues.apache.org/jira/browse/HBASE-4916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13174218#comment-13174218
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Phabricator commented on HBASE-4916:
------------------------------------

stack has commented on the revision "HBASE-4916 [jira] LoadTest MR Job".

  Looking back at PE, here is what it has that this tool doesn't and in some 
cases might be hard to add:

  + Runs against minicluster (Should be easy to add)
  + Can sequential read/writes (Not so important, though sequential write can 
be interesting)
  + Can do scan tests; random 10 items, random 100, etc.

  Stuff this tool can do that would need to be added to PE:

  + PE needs to do more work per mapper; at moment doing dumb stuff like 
running 24 mappers per TT just to get the load up
  + Better load profiles; PE loading is regular

REVISION DETAIL
  https://reviews.facebook.net/D741

                
> LoadTest MR Job
> ---------------
>
>                 Key: HBASE-4916
>                 URL: https://issues.apache.org/jira/browse/HBASE-4916
>             Project: HBase
>          Issue Type: Sub-task
>          Components: client, regionserver
>            Reporter: Nicolas Spiegelberg
>            Assignee: Christopher Gist
>             Fix For: 0.94.0
>
>         Attachments: HBASE-4916.D741.1.patch
>
>
> Add a script to start a streaming map-reduce job where each map tasks runs an 
> instance of the load tester for a partition of the key-space. Ensure that the 
> load tester takes a parameter indicating the start key for write operations.

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