[1/2] spark git commit: [SPARK-6132] ContextCleaner race condition across SparkContexts

Repository: spark Updated Branches: refs/heads/branch-1.1 c5836816f - 39761f515 [SPARK-6132] ContextCleaner race condition across SparkContexts The problem is that `ContextCleaner` may clean variables that belong to a different `SparkContext`. This can happen if the `SparkContext` to which

[1/2] spark git commit: [SPARK-6132] ContextCleaner race condition across SparkContexts

Repository: spark Updated Branches: refs/heads/branch-1.3 9846790f4 - 338bea7b3 [SPARK-6132] ContextCleaner race condition across SparkContexts The problem is that `ContextCleaner` may clean variables that belong to a different `SparkContext`. This can happen if the `SparkContext` to which