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DriverTimeoutPlugin.scala
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DriverTimeoutPlugin.scala
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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.deploy
import java.util.{Map => JMap}
import java.util.concurrent.{ScheduledExecutorService, TimeUnit}
import scala.jdk.CollectionConverters._
import org.apache.spark.SparkContext
import org.apache.spark.api.plugin.{DriverPlugin, ExecutorPlugin, PluginContext, SparkPlugin}
import org.apache.spark.internal.Logging
import org.apache.spark.internal.config.DRIVER_TIMEOUT
import org.apache.spark.util.{SparkExitCode, ThreadUtils}
/**
* A built-in plugin to provide Driver timeout feature.
*/
class DriverTimeoutPlugin extends SparkPlugin {
override def driverPlugin(): DriverPlugin = new DriverTimeoutDriverPlugin()
// No-op
override def executorPlugin(): ExecutorPlugin = null
}
class DriverTimeoutDriverPlugin extends DriverPlugin with Logging {
private val timeoutService: ScheduledExecutorService =
ThreadUtils.newDaemonSingleThreadScheduledExecutor("driver-timeout")
override def init(sc: SparkContext, ctx: PluginContext): JMap[String, String] = {
val timeout = sc.conf.get(DRIVER_TIMEOUT)
if (timeout == 0) {
logWarning("Disabled with the timeout value 0.")
} else {
val task: Runnable = () => {
logWarning(s"Terminate Driver JVM because it runs after $timeout minute" +
(if (timeout == 1) "" else "s"))
// We cannot use 'SparkContext.stop' because SparkContext might be in abnormal situation.
System.exit(SparkExitCode.DRIVER_TIMEOUT)
}
timeoutService.schedule(task, timeout, TimeUnit.MINUTES)
}
Map.empty[String, String].asJava
}
override def shutdown(): Unit = timeoutService.shutdown()
}