tedyu dcfaeadea7 [SPARK-15003] Use ConcurrentHashMap in place of HashMap for NewAccumulator.originals ... ## What changes were proposed in this pull request? This PR proposes to use ConcurrentHashMap in place of HashMap for NewAccumulator.originals This should result in better performance. ## How was this patch tested? Existing unit test suite cloud-fan Author: tedyu <yuzhihong@gmail.com> Closes #12776 from tedyu/master.		2016-04-30 07:54:53 +08:00
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src	[SPARK-15003] Use ConcurrentHashMap in place of HashMap for NewAccumulator.originals	2016-04-30 07:54:53 +08:00
pom.xml	Revert "[SPARK-14613][ML] Add @Since into the matrix and vector classes in spark-mllib-local"	2016-04-28 19:57:41 -07:00