spark KubernetesLocalDiskShuffleDataIO 源码
spark KubernetesLocalDiskShuffleDataIO 代码
文件路径：/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/shuffle/KubernetesLocalDiskShuffleDataIO.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.
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package org.apache.spark.shuffle
import org.apache.spark.SparkConf
import org.apache.spark.deploy.k8s.Config.KUBERNETES_DRIVER_REUSE_PVC
import org.apache.spark.shuffle.api.{ShuffleDataIO, ShuffleDriverComponents, ShuffleExecutorComponents}
import org.apache.spark.shuffle.sort.io.LocalDiskShuffleDriverComponents
/**
* This should be used with ephemeral PVCs in K8s environment.
*/
class KubernetesLocalDiskShuffleDataIO(sparkConf: SparkConf) extends ShuffleDataIO {
require(sparkConf.get(KUBERNETES_DRIVER_REUSE_PVC), "Ephemeral PVCs are required")
override def driver(): ShuffleDriverComponents =
new LocalDiskShuffleDriverComponents()
override def executor(): ShuffleExecutorComponents =
new KubernetesLocalDiskShuffleExecutorComponents(sparkConf)
}
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