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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.serializer
import org.scalatest.FunSuite
import org.apache.spark.SparkConf
import org.apache.spark.SparkContext
import org.apache.spark.LocalSparkContext
import org.apache.spark.SparkException
class KryoSerializerResizableOutputSuite extends FunSuite {
// trial and error showed this will not serialize with 1mb buffer
val x = (1 to 400000).toArray
test("kryo without resizable output buffer should fail on large array") {
val conf = new SparkConf(false)
conf.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer")
conf.set("spark.kryoserializer.buffer.mb", "1")
conf.set("spark.kryoserializer.buffer.max.mb", "1")
val sc = new SparkContext("local", "test", conf)
intercept[SparkException](sc.parallelize(x).collect())
LocalSparkContext.stop(sc)
}
test("kryo with resizable output buffer should succeed on large array") {
val conf = new SparkConf(false)
conf.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer")
conf.set("spark.kryoserializer.buffer.mb", "1")
conf.set("spark.kryoserializer.buffer.max.mb", "2")
val sc = new SparkContext("local", "test", conf)
assert(sc.parallelize(x).collect() === x)
LocalSparkContext.stop(sc)
}
}
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