Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/19222#discussion_r177692646 --- Diff: core/src/main/java/org/apache/spark/shuffle/sort/ShuffleSortDataFormat.java --- @@ -60,13 +60,8 @@ public void copyElement(LongArray src, int srcPos, LongArray dst, int dstPos) { @Override public void copyRange(LongArray src, int srcPos, LongArray dst, int dstPos, int length) { - Platform.copyMemory( - src.getBaseObject(), - src.getBaseOffset() + srcPos * 8L, - dst.getBaseObject(), - dst.getBaseOffset() + dstPos * 8L, - length * 8L - ); + MemoryBlock.copyMemory(src.memoryBlock(),srcPos * 8L, --- End diff -- ditto
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