Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/17295#discussion_r108087419
--- Diff:
core/src/main/scala/org/apache/spark/storage/BlockManagerManagedBuffer.scala ---
@@ -17,31 +17,52 @@
package org.apache.spark.storage
-import org.apache.spark.network.buffer.{ManagedBuffer, NettyManagedBuffer}
+import java.io.InputStream
+import java.nio.ByteBuffer
+import java.util.concurrent.atomic.AtomicInteger
+
+import org.apache.spark.network.buffer.ManagedBuffer
import org.apache.spark.util.io.ChunkedByteBuffer
/**
- * This [[ManagedBuffer]] wraps a [[ChunkedByteBuffer]] retrieved from the
[[BlockManager]]
+ * This [[ManagedBuffer]] wraps a [[BlockData]] instance retrieved from
the [[BlockManager]]
* so that the corresponding block's read lock can be released once this
buffer's references
* are released.
*
+ * If `dispose` is set to try, the [[BlockData]]will be disposed when the
buffer's reference
--- End diff --
`is set to try` -> `is set to true`
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