Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/19222#discussion_r177295038 --- Diff: common/unsafe/src/main/java/org/apache/spark/unsafe/array/LongArray.java --- @@ -80,7 +76,7 @@ public void zeroOut() { public void set(int index, long value) { assert index >= 0 : "index (" + index + ") should >= 0"; assert index < length : "index (" + index + ") should < length (" + length + ")"; - Platform.putLong(baseObj, baseOffset + index * WIDTH, value); --- End diff -- update it to use 0-based offset.
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