spark git commit: [SPARK-22997] Add additional defenses against use of freed MemoryBlocks

2018-01-10 Thread joshrosen
Repository: spark Updated Branches: refs/heads/branch-2.3 2db523959 -> 60d4d79bb [SPARK-22997] Add additional defenses against use of freed MemoryBlocks ## What changes were proposed in this pull request? This patch modifies Spark's `MemoryAllocator` implementations so that

spark git commit: [SPARK-22997] Add additional defenses against use of freed MemoryBlocks

2018-01-10 Thread joshrosen
Repository: spark Updated Branches: refs/heads/master 70bcc9d5a -> f340b6b30 [SPARK-22997] Add additional defenses against use of freed MemoryBlocks ## What changes were proposed in this pull request? This patch modifies Spark's `MemoryAllocator` implementations so that `free(MemoryBlock)`