Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/17295#discussion_r107324480
--- Diff:
core/src/main/scala/org/apache/spark/storage/BlockManagerManagedBuffer.scala ---
@@ -31,17 +35,31 @@ import org.apache.spark.util.io.ChunkedByteBuffer
private[storage] class BlockManagerManagedBuffer(
blockInfoManager: BlockInfoManager,
blockId: BlockId,
- chunkedBuffer: ChunkedByteBuffer) extends
NettyManagedBuffer(chunkedBuffer.toNetty) {
+ data: BlockData,
+ dispose: Boolean) extends ManagedBuffer {
+
+ private val refCount = new AtomicInteger(1)
--- End diff --
maybe we should mention it in the class doc that the `BlockData` will be
disposed automatically via reference count.
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