Github user JoshRosen commented on the pull request:
https://github.com/apache/spark/pull/4923#issuecomment-88988288
Note that this patch introduced a bug which can call `collect()` to hang
under certain rare circumstances:
https://issues.apache.org/jira/browse/SPARK-6667. This bug
Github user JoshRosen commented on the pull request:
https://github.com/apache/spark/pull/4923#issuecomment-79178183
I have now cherry-picked this into `branch-1.3` (1.3.1).
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Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/4923#issuecomment-77948687
[Test build #28405 has
started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/28405/consoleFull)
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Github user davies commented on the pull request:
https://github.com/apache/spark/pull/4923#issuecomment-77952659
@JoshRosen This should have positive performance impact, the end-to-end
time of a job (collect 50M integers) changed from 10.6s to 9.2s.
For the additional
Github user AmplabJenkins commented on the pull request:
https://github.com/apache/spark/pull/4923#issuecomment-77963109
Test PASSed.
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Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/4923#issuecomment-77963094
[Test build #28405 has
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Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/4923
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Github user JoshRosen commented on the pull request:
https://github.com/apache/spark/pull/4923#issuecomment-77962852
LGTM; I'll merge this as soon as Jenkins passes. Thanks!
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Github user JoshRosen commented on the pull request:
https://github.com/apache/spark/pull/4923#issuecomment-77978862
I've merged this into `master` (1.4.0) and `branch-1.2` (1.2.2). I'll edit
the JIRAs to add a reminder to backport this to 1.1.x and 1.3.1.
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