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https://issues.apache.org/jira/browse/SPARK-21956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhoukang closed SPARK-21956.
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Resolution: Won't Fix
> Fetch up to max bytes when buf really released
> ----------------------------------------------
>
> Key: SPARK-21956
> URL: https://issues.apache.org/jira/browse/SPARK-21956
> Project: Spark
> Issue Type: Improvement
> Components: Shuffle, Spark Core
> Affects Versions: 2.1.0
> Reporter: zhoukang
>
> Right now,ShuffleBlockFetcherIterator will decrease bytesInFlight immediatily
> when take from results queue.But currentresult's bytebuf has not been
> released at that time.Then direct memory may be a little out of control.
> We should decrease bytesInFlight when currentresult's bytebuf really been
> released.
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