Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/6423#discussion_r31370848
--- Diff:
core/src/main/scala/org/apache/spark/storage/ShuffleBlockFetcherIterator.scala
---
@@ -17,22 +17,23 @@
package org.apache.spark.storage
+import java.io.InputStream
import java.util.concurrent.LinkedBlockingQueue
+import org.apache.spark.network.buffer.ManagedBuffer
+import org.apache.spark.network.shuffle.{BlockFetchingListener,
ShuffleClient}
+import org.apache.spark.storage.ShuffleBlockFetcherIterator.FetchResult
+import org.apache.spark.util.Utils
+import org.apache.spark.{Logging, TaskContext}
+
import scala.collection.mutable.{ArrayBuffer, HashSet, Queue}
import scala.util.{Failure, Try}
-import org.apache.spark.{Logging, TaskContext}
-import org.apache.spark.network.shuffle.{BlockFetchingListener,
ShuffleClient}
-import org.apache.spark.network.buffer.ManagedBuffer
-import org.apache.spark.serializer.{SerializerInstance, Serializer}
-import org.apache.spark.util.{CompletionIterator, Utils}
-
/**
* An iterator that fetches multiple blocks. For local blocks, it fetches
from the local block
* manager. For remote blocks, it fetches them using the provided
BlockTransferService.
*
- * This creates an iterator of (BlockID, values) tuples so the caller can
handle blocks in a
+ * This creates an iterator of (BlockID, InputStream) tuples so the caller
can handle blocks in a
--- End diff --
Try[InputStream]
---
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