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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.executor
import org.apache.spark.InternalAccumulator
import org.apache.spark.annotation.DeveloperApi
/**
* :: DeveloperApi ::
* Method by which output data was written.
* Operations are not thread-safe.
*/
@DeveloperApi
object DataWriteMethod extends Enumeration with Serializable {
type DataWriteMethod = Value
val Hadoop = Value
}
/**
* :: DeveloperApi ::
* A collection of accumulators that represents metrics about writing data to external systems.
*/
@DeveloperApi
class OutputMetrics private[spark] () extends Serializable {
import InternalAccumulator._
private[executor] val _bytesWritten = TaskMetrics.createLongAccum(output.BYTES_WRITTEN)
private[executor] val _recordsWritten = TaskMetrics.createLongAccum(output.RECORDS_WRITTEN)
/**
* Total number of bytes written.
*/
def bytesWritten: Long = _bytesWritten.localValue
/**
* Total number of records written.
*/
def recordsWritten: Long = _recordsWritten.localValue
private[spark] def setBytesWritten(v: Long): Unit = _bytesWritten.setValue(v)
private[spark] def setRecordsWritten(v: Long): Unit = _recordsWritten.setValue(v)
}
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