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https://issues.apache.org/jira/browse/ARROW-2071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16351742#comment-16351742
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ASF GitHub Bot commented on ARROW-2071:
---------------------------------------

xhochy commented on issue #1550: ARROW-2071: [Python] Lighten serialization 
tests
URL: https://github.com/apache/arrow/pull/1550#issuecomment-362898656
 
 
   oh, yes. We only run the C++ tests inside of valgrind, then the only thing 
that comes to my mind is that they are build in debug mode.

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> [Python] Reduce runtime of builds in Travis CI
> ----------------------------------------------
>
>                 Key: ARROW-2071
>                 URL: https://issues.apache.org/jira/browse/ARROW-2071
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>            Reporter: Wes McKinney
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.9.0
>
>
> For some reason, recently each Python build has been taking about 15 minutes 
> to run. I speculate this is due to VM thrashing caused by reduced resources 
> on the Travis CI workers, related to the problem I fixed in ARROW-2062.
> We should experiment, but it seems like perhaps this can be fixed either by:
> * Reducing the size of the Plasma store on Travis CI
> * Disabling valgrind in Plasma tests
> The slowness could be caused by something else, though, so we should 
> investigate (and have pytest report slow tests in the logs)



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