Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/21570#discussion_r198710399 --- Diff: core/src/test/java/org/apache/spark/memory/TestMemoryConsumer.java --- @@ -43,6 +47,12 @@ void free(long size) { used -= size; taskMemoryManager.releaseExecutionMemory(size, this); } + + @VisibleForTesting --- End diff -- it's already in the test package, we don't need this tag.
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