Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/22855#discussion_r229737307
--- Diff:
core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala ---
@@ -92,6 +94,16 @@ class KryoSerializer(conf: SparkConf)
new KryoOutput(bufferSize, math.max(bufferSize, maxBufferSize))
}
+ @transient
+ private lazy val factory: KryoFactory = new KryoFactory() {
+ override def create: Kryo = {
+ newKryo()
+ }
+ }
+
+ @transient
+ lazy val pool = new KryoPool.Builder(factory).softReferences.build
--- End diff --
`private`?
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