zsxwing d45355ee22 [SPARK-5423] [CORE] Register a TaskCompletionListener to make sure release all resources ... Make `DiskMapIterator.cleanup` idempotent and register a TaskCompletionListener to make sure call `cleanup`. Author: zsxwing <zsxwing@gmail.com> Closes #7529 from zsxwing/SPARK-5423 and squashes the following commits: 3e3c413 [zsxwing] Remove TODO 9556c78 [zsxwing] Fix NullPointerException for tests 3d574d9 [zsxwing] Register a TaskCompletionListener to make sure release all resources		2015-07-21 09:55:42 -07:00
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src	[SPARK-5423] [CORE] Register a TaskCompletionListener to make sure release all resources	2015-07-21 09:55:42 -07:00
pom.xml	[SPARK-8401] [BUILD] Scala version switching build enhancements	2015-07-21 11:14:31 +01:00