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https://issues.apache.org/jira/browse/SPARK-12311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15055073#comment-15055073
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Sean Owen edited comment on SPARK-12311 at 12/14/15 1:45 PM:
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LGTM, feel free to make a pull request.
EDIT: I knew I was missing something. Josh is right that there's a mixin trait 
that should fix this. Are you sure it's actually not working?


was (Author: srowen):
LGTM, feel free to make a pull request.

> [CORE] Restore previous value of "os.arch" property in test suites after 
> forcing to set specific value to "os.arch" property
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-12311
>                 URL: https://issues.apache.org/jira/browse/SPARK-12311
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.5.2
>            Reporter: Kazuaki Ishizaki
>            Priority: Minor
>
> Although current BlockManagerSuite.scala and SizeEstimatorSuite.scala set the 
> specific value (e.g. "amd64") into system property "os.arch", they do not 
> restore the original value of "os.arch" after these test suites. This may 
> lead to failures in a test case that depends on architecture on other 
> platform rather than amd64.
> They should save the original value of "os.arch" and restore this at the end 
> of these test suites.
>  
> https://github.com/apache/spark/blob/master/core/src/test/scala/org/apache/spark/storage/BlockManagerSuite.scala
> https://github.com/apache/spark/blob/master/core/src/test/scala/org/apache/spark/util/SizeEstimatorSuite.scala



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