Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/15505#discussion_r95198725
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -149,7 +149,12 @@ private[spark] object Utils extends Logging {
/** Deserialize an object using Java serialization and the given
ClassLoader */
def deserialize[T](bytes: Array[Byte], loader: ClassLoader): T = {
- val bis = new ByteArrayInputStream(bytes)
+ deserialize(ByteBuffer.wrap(bytes), loader)
+ }
+
+ /** Deserialize an object using Java serialization and the given
ClassLoader */
+ def deserialize[T](bytes: ByteBuffer, loader: ClassLoader): T = {
+ val bis = new ByteBufferInputStream(bytes)
--- End diff --
for other reviewers: I was a little worried that maybe this was
(ever-so-slightly) changing a really important code path, but looks like this
method actually is barely used, so not a big deal. (`SparkContext.objectFile`
and `ReceivedBlockTracker.cleanupBatches`)
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