spark TaskSet 源码
spark TaskSet 代码
文件路径：/core/src/main/scala/org/apache/spark/scheduler/TaskSet.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.scheduler
import java.util.Properties
/**
* A set of tasks submitted together to the low-level TaskScheduler, usually representing
* missing partitions of a particular stage.
*/
private[spark] class TaskSet(
val tasks: Array[Task[_]],
val stageId: Int,
val stageAttemptId: Int,
val priority: Int,
val properties: Properties,
val resourceProfileId: Int) {
val id: String = stageId + "." + stageAttemptId
override def toString: String = "TaskSet " + id
}
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