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From "Ivan A. Veselovsky (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2898) Multithreaded execution of e2e tests
Date Tue, 11 Sep 2012 13:13:08 GMT

    [ https://issues.apache.org/jira/browse/PIG-2898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13452991#comment-13452991

Ivan A. Veselovsky commented on PIG-2898:

My testing shows that the same patch applies okay to "branch-0.10".
> Multithreaded execution of e2e tests
> ------------------------------------
>                 Key: PIG-2898
>                 URL: https://issues.apache.org/jira/browse/PIG-2898
>             Project: Pig
>          Issue Type: Improvement
>          Components: e2e harness
>            Reporter: Andrey Klochkov
>            Assignee: Ivan A. Veselovsky
>         Attachments: PIG-2898-against-trunk.patch
> Today it takes ~19 hours to run the full set of e2e tests in mapred mode. The bottleneck
here is the client side, and per our observations it can help a lot if the e2e harness would
be able to run tests in parallel threads.
> We prototyped changes in e2e harness allowing to run tests in a configurable number of
threads. Preliminary results show more than 6x reduction in execution time when using a small
3-nodes M/R cluster with modest configuration. Going to share a patch shortly.

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