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https://issues.apache.org/jira/browse/HBASE-5064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13175514#comment-13175514
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nkeywal commented on HBASE-5064:
--------------------------------

@stack: Yes, with the patch 5064.v10.patch and the parameter 
surefire.secondPartThreadCount (can be specified on the command line with the 
usual -D)

On a recent laptop, 2 or 3 should be ok. On a server something as 15 should be 
interesting and brings us near the 10 minutes (we need ~2Gb per process).

This said, I am worried by the hung processes... i will do multiple tries to 
see if it's random on if it's more or less always the same tests.
                
> use surefire tests parallelization
> ----------------------------------
>
>                 Key: HBASE-5064
>                 URL: https://issues.apache.org/jira/browse/HBASE-5064
>             Project: HBase
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 0.94.0
>            Reporter: nkeywal
>            Assignee: nkeywal
>            Priority: Minor
>         Attachments: 5064.patch, 5064.patch, 5064.v10.patch, 5064.v11.patch, 
> 5064.v2.patch, 5064.v3.patch, 5064.v4.patch, 5064.v5.patch, 5064.v6.patch, 
> 5064.v6.patch, 5064.v6.patch, 5064.v6.patch, 5064.v7.patch, 5064.v7.patch, 
> 5064.v8.patch, 5064.v9.patch
>
>
> To be tried multiple times on hadoop-qa before committing.

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