spark git commit: [SPARK-25422][CORE] Don't memory map blocks streamed to disk.

Repository: spark Updated Branches: refs/heads/branch-2.4 544f86a69 -> f91247f81 [SPARK-25422][CORE] Don't memory map blocks streamed to disk. After data has been streamed to disk, the buffers are inserted into the memory store in some cases (eg., with broadcast blocks). But broadcast code

spark git commit: [SPARK-25422][CORE] Don't memory map blocks streamed to disk.

Repository: spark Updated Branches: refs/heads/master 66d29870c -> 9bb3a0c67 [SPARK-25422][CORE] Don't memory map blocks streamed to disk. After data has been streamed to disk, the buffers are inserted into the memory store in some cases (eg., with broadcast blocks). But broadcast code also