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Posted to issues@spark.apache.org by "Matt Massie (JIRA)" <ji...@apache.org> on 2015/06/18 22:32:00 UTC
[jira] [Created] (SPARK-8454) Update
ShuffleBlockFetcherIterator.next to close previous stream when returning a
new one
Matt Massie created SPARK-8454:
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Summary: Update ShuffleBlockFetcherIterator.next to close previous stream when returning a new one
Key: SPARK-8454
URL: https://issues.apache.org/jira/browse/SPARK-8454
Project: Spark
Issue Type: Improvement
Components: Block Manager
Reporter: Matt Massie
For context, see the PR comments at https://github.com/apache/spark/pull/6423#discussion_r31370774
The current HashShuffleReader closes the input stream when all records have been read by using a NextIterator. However, we want the ShuffleBlockFetcherIterator to be more defensive about closing files and releasing memory to protect against other ShuffleReaders which may not.
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