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[SPARK-7873] Allow KryoSerializerInstance to create multiple streams at the same time #6415

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[SPARK-7873] Allow KryoSerializerInstance to create multiple streams at the same time #6415

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7350886
Add failing regression test for SPARK-7873
JoshRosen May 26, 2015
9816e8f
Add a failing test showing how deserialize() and deserializeStream() …
JoshRosen May 26, 2015
ab457ca
Sketch a loan/release based solution.
JoshRosen May 26, 2015
3f1da96
Guard against duplicate close()
JoshRosen May 26, 2015
ba55d20
Add explanatory comments
JoshRosen May 27, 2015
00b402e
Initialize eagerly to fix a failing test
JoshRosen May 27, 2015
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Initialize eagerly to fix a failing test
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@JoshRosen
JoshRosen committed May 27, 2015
commit 00b402edb790a0d2eac8f6afda2a748563afccfc
2 changes: 1 addition & 1 deletion core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala
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Expand Up @@ -209,7 +209,7 @@ private[spark] class KryoSerializerInstance(ks: KryoSerializer) extends Serializ
* pool of size one. SerializerInstances are not thread-safe, hence accesses to this field are
* not synchronized.
*/
@Nullable private[this] var cachedKryo: Kryo = null
@Nullable private[this] var cachedKryo: Kryo = borrowKryo()

/**
* Borrows a [[Kryo]] instance. If possible, this tries to re-use a cached Kryo instance;
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