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https://issues.apache.org/jira/browse/PIG-2898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13481532#comment-13481532
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Rohini Palaniswamy commented on PIG-2898:
-----------------------------------------
There is a logfile created per test group. Once the execution of test group
completes, the log is appended to the main log file.
> Parallel execution of e2e tests
> -------------------------------
>
> Key: PIG-2898
> URL: https://issues.apache.org/jira/browse/PIG-2898
> Project: Pig
> Issue Type: Improvement
> Components: e2e harness
> Affects Versions: 0.10.0
> Reporter: Andrey Klochkov
> Assignee: Ivan A. Veselovsky
> Labels: test
> Attachments: PIG-2898-branch-0.10-6-final.patch,
> PIG-2898-trunk-3.patch, PIG-2898-trunk-6-final.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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