Github user sryza commented on a diff in the pull request:
https://github.com/apache/spark/pull/5218#discussion_r27274319
--- Diff:
core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala ---
@@ -49,10 +49,20 @@ class KryoSerializer(conf: SparkConf)
with Logging
with Serializable {
- private val bufferSize =
- (conf.getDouble("spark.kryoserializer.buffer.mb", 0.064) * 1024 *
1024).toInt
+ private val bufferSizeMb =
conf.getDouble("spark.kryoserializer.buffer.mb", 0.064)
+ if (bufferSizeMb >= 2048) {
+ throw new IllegalArgumentException("spark.kryoserializer.buffer.mb
must be less than " +
+ s"2048 mb, got: + $bufferSizeMb mb.")
+ }
+ private val bufferSize = (bufferSizeMb * 1024 * 1024).toInt
+
+ val maxBufferSizeMb = conf.getInt("spark.kryoserializer.buffer.max.mb",
64)
+ if (maxBufferSizeMb >= 2048) {
+ throw new IllegalArgumentException("spark.kryoserializer.buffer.max.mb
must be less than " +
+ s"2048 mb, got: + $maxBufferSizeMb mb.")
+ }
+ private val maxBufferSize = maxBufferSizeMb * 1026 * 1024
--- End diff --
Is this meant to be *1026* * 1024?
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