spark HadoopMapRedCommitProtocol 源码
spark HadoopMapRedCommitProtocol 代码
文件路径：/core/src/main/scala/org/apache/spark/internal/io/HadoopMapRedCommitProtocol.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.io
import org.apache.hadoop.mapred._
import org.apache.hadoop.mapreduce.{TaskAttemptContext => NewTaskAttemptContext}
/**
* An [[FileCommitProtocol]] implementation backed by an underlying Hadoop OutputCommitter
* (from the old mapred API).
*
* Unlike Hadoop's OutputCommitter, this implementation is serializable.
*/
class HadoopMapRedCommitProtocol(jobId: String, path: String)
extends HadoopMapReduceCommitProtocol(jobId, path) {
override def setupCommitter(context: NewTaskAttemptContext): OutputCommitter = {
val config = context.getConfiguration.asInstanceOf[JobConf]
val committer = config.getOutputCommitter
logInfo(s"Using output committer class ${committer.getClass.getCanonicalName}")
committer
}
}
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spark HadoopMapReduceCommitProtocol 源码
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