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Posted to dev@pig.apache.org by "Rohini Palaniswamy (JIRA)" <ji...@apache.org> on 2012/10/05 19:10:04 UTC
[jira] [Commented] (PIG-2898) Parallel execution of e2e tests
[ https://issues.apache.org/jira/browse/PIG-2898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13470469#comment-13470469 ]
Rohini Palaniswamy commented on PIG-2898:
-----------------------------------------
+1 nonbinding.
https://cwiki.apache.org/confluence/display/PIG/HowToTest#HowToTest-HowtoRune2eTests needs to be updated with the following information after the patch goes in.
* the options fork.factor.conf.file (number of parallel forks for the test files) and fork.factor.group (number of forks for groups within a test file)
* Parallel::Forkmanager perl module installation
> 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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