Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/16499#discussion_r101447383 --- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala --- @@ -1018,7 +1025,9 @@ private[spark] class BlockManager( try { replicate(blockId, bytesToReplicate, level, remoteClassTag) } finally { - bytesToReplicate.dispose() + if (!level.useOffHeap) { --- End diff -- Do we need to call dispose on on-head byte buffer? I think only off-heap byte buffer needs to be disposed?
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