spark Kryo 源码
spark Kryo 代码
文件路径：/core/src/main/scala/org/apache/spark/internal/config/Kryo.scala
/*
* 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.internal.config
import org.apache.spark.network.util.ByteUnit
private[spark] object Kryo {
val KRYO_REGISTRATION_REQUIRED = ConfigBuilder("spark.kryo.registrationRequired")
.version("1.1.0")
.booleanConf
.createWithDefault(false)
val KRYO_USER_REGISTRATORS = ConfigBuilder("spark.kryo.registrator")
.version("0.5.0")
.stringConf
.toSequence
.createWithDefault(Nil)
val KRYO_CLASSES_TO_REGISTER = ConfigBuilder("spark.kryo.classesToRegister")
.version("1.2.0")
.stringConf
.toSequence
.createWithDefault(Nil)
val KRYO_USE_UNSAFE = ConfigBuilder("spark.kryo.unsafe")
.version("2.1.0")
.booleanConf
.createWithDefault(false)
val KRYO_USE_POOL = ConfigBuilder("spark.kryo.pool")
.version("3.0.0")
.booleanConf
.createWithDefault(true)
val KRYO_REFERENCE_TRACKING = ConfigBuilder("spark.kryo.referenceTracking")
.version("0.8.0")
.booleanConf
.createWithDefault(true)
val KRYO_SERIALIZER_BUFFER_SIZE = ConfigBuilder("spark.kryoserializer.buffer")
.version("1.4.0")
.bytesConf(ByteUnit.KiB)
.createWithDefaultString("64k")
val KRYO_SERIALIZER_MAX_BUFFER_SIZE = ConfigBuilder("spark.kryoserializer.buffer.max")
.version("1.4.0")
.bytesConf(ByteUnit.MiB)
.createWithDefaultString("64m")
}
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