GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/11138
Call shuffleMetrics methods only in one thread for
ShuffleBlockFetcherIterator
Call shuffleMetrics's incRemoteBytesRead and incRemoteBlocksFetched when
polling FetchResult from `results` so as to always use shuffleMetrics in one
thread.
Also fix a race condition that could cause memory leak.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark SPARK-13245
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11138.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #11138
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commit 66976c26a90292cb58caa6bc440dea2998afb310
Author: Shixiong Zhu <[email protected]>
Date: 2016-02-09T19:10:40Z
Call shuffleMetrics methods only in one thread for
ShuffleBlockFetcherIterator
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