Shixiong Zhu 48467f4eb0 [SPARK-14416][CORE] Add thread-safe comments for CoarseGrainedSchedulerBackend's fields ... ## What changes were proposed in this pull request? While I was reviewing #12078, I found most of CoarseGrainedSchedulerBackend's mutable fields doesn't have any comments about the thread-safe assumptions and it's hard for people to figure out which part of codes should be protected by the lock. This PR just added comments/annotations for them and also added strict access modifiers for some fields. ## How was this patch tested? Existing unit tests. Author: Shixiong Zhu <shixiong@databricks.com> Closes #12188 from zsxwing/comments.		2016-04-05 22:32:37 -07:00
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src	[SPARK-14416][CORE] Add thread-safe comments for CoarseGrainedSchedulerBackend's fields	2016-04-05 22:32:37 -07:00
pom.xml	[SPARK-13848][SPARK-5185] Update to Py4J 0.9.2 in order to fix classloading issue	2016-03-14 12:22:02 -07:00