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https://issues.apache.org/jira/browse/SPARK-12311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15056317#comment-15056317
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Kazuaki Ishizaki commented on SPARK-12311:
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Yes. Even when I run core test on a ppc64le machine, I got "amd64" from
System.getProperty("os.arch") in another test suite (e.g.
StorageStatusListnerSuite that is lately executed).
Although this mismatch does not seem to cause any test failure now, this would
lead to a test failure in the future.
> [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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