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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.ui.exec
import scala.collection.mutable.HashMap
import org.apache.spark.{ExceptionFailure, Resubmitted, SparkConf, SparkContext}
import org.apache.spark.annotation.DeveloperApi
import org.apache.spark.scheduler._
import org.apache.spark.storage.{StorageStatus, StorageStatusListener}
import org.apache.spark.ui.{SparkUI, SparkUITab}
import org.apache.spark.ui.jobs.UIData.ExecutorUIData
private[ui] class ExecutorsTab(parent: SparkUI) extends SparkUITab(parent, "executors") {
val listener = parent.executorsListener
val sc = parent.sc
val threadDumpEnabled =
sc.isDefined && parent.conf.getBoolean("spark.ui.threadDumpsEnabled", true)
attachPage(new ExecutorsPage(this, threadDumpEnabled))
if (threadDumpEnabled) {
attachPage(new ExecutorThreadDumpPage(this))
}
}
/**
* :: DeveloperApi ::
* A SparkListener that prepares information to be displayed on the ExecutorsTab
*/
@DeveloperApi
class ExecutorsListener(storageStatusListener: StorageStatusListener, conf: SparkConf)
extends SparkListener {
val executorToTotalCores = HashMap[String, Int]()
val executorToTasksMax = HashMap[String, Int]()
val executorToTasksActive = HashMap[String, Int]()
val executorToTasksComplete = HashMap[String, Int]()
val executorToTasksFailed = HashMap[String, Int]()
val executorToDuration = HashMap[String, Long]()
val executorToJvmGCTime = HashMap[String, Long]()
val executorToInputBytes = HashMap[String, Long]()
val executorToInputRecords = HashMap[String, Long]()
val executorToOutputBytes = HashMap[String, Long]()
val executorToOutputRecords = HashMap[String, Long]()
val executorToShuffleRead = HashMap[String, Long]()
val executorToShuffleWrite = HashMap[String, Long]()
val executorToLogUrls = HashMap[String, Map[String, String]]()
val executorIdToData = HashMap[String, ExecutorUIData]()
def activeStorageStatusList: Seq[StorageStatus] = storageStatusListener.storageStatusList
def deadStorageStatusList: Seq[StorageStatus] = storageStatusListener.deadStorageStatusList
override def onExecutorAdded(executorAdded: SparkListenerExecutorAdded): Unit = synchronized {
val eid = executorAdded.executorId
executorToLogUrls(eid) = executorAdded.executorInfo.logUrlMap
executorToTotalCores(eid) = executorAdded.executorInfo.totalCores
executorToTasksMax(eid) = executorToTotalCores(eid) / conf.getInt("spark.task.cpus", 1)
executorIdToData(eid) = new ExecutorUIData(executorAdded.time)
}
override def onExecutorRemoved(
executorRemoved: SparkListenerExecutorRemoved): Unit = synchronized {
val eid = executorRemoved.executorId
val uiData = executorIdToData(eid)
uiData.finishTime = Some(executorRemoved.time)
uiData.finishReason = Some(executorRemoved.reason)
}
override def onApplicationStart(applicationStart: SparkListenerApplicationStart): Unit = {
applicationStart.driverLogs.foreach { logs =>
val storageStatus = activeStorageStatusList.find { s =>
s.blockManagerId.executorId == SparkContext.LEGACY_DRIVER_IDENTIFIER ||
s.blockManagerId.executorId == SparkContext.DRIVER_IDENTIFIER
}
storageStatus.foreach { s => executorToLogUrls(s.blockManagerId.executorId) = logs.toMap }
}
}
override def onTaskStart(taskStart: SparkListenerTaskStart): Unit = synchronized {
val eid = taskStart.taskInfo.executorId
executorToTasksActive(eid) = executorToTasksActive.getOrElse(eid, 0) + 1
}
override def onTaskEnd(taskEnd: SparkListenerTaskEnd): Unit = synchronized {
val info = taskEnd.taskInfo
if (info != null) {
val eid = info.executorId
taskEnd.reason match {
case Resubmitted =>
// Note: For resubmitted tasks, we continue to use the metrics that belong to the
// first attempt of this task. This may not be 100% accurate because the first attempt
// could have failed half-way through. The correct fix would be to keep track of the
// metrics added by each attempt, but this is much more complicated.
return
case e: ExceptionFailure =>
executorToTasksFailed(eid) = executorToTasksFailed.getOrElse(eid, 0) + 1
case _ =>
executorToTasksComplete(eid) = executorToTasksComplete.getOrElse(eid, 0) + 1
}
executorToTasksActive(eid) = executorToTasksActive.getOrElse(eid, 1) - 1
executorToDuration(eid) = executorToDuration.getOrElse(eid, 0L) + info.duration
// Update shuffle read/write
val metrics = taskEnd.taskMetrics
if (metrics != null) {
metrics.inputMetrics.foreach { inputMetrics =>
executorToInputBytes(eid) =
executorToInputBytes.getOrElse(eid, 0L) + inputMetrics.bytesRead
executorToInputRecords(eid) =
executorToInputRecords.getOrElse(eid, 0L) + inputMetrics.recordsRead
}
metrics.outputMetrics.foreach { outputMetrics =>
executorToOutputBytes(eid) =
executorToOutputBytes.getOrElse(eid, 0L) + outputMetrics.bytesWritten
executorToOutputRecords(eid) =
executorToOutputRecords.getOrElse(eid, 0L) + outputMetrics.recordsWritten
}
metrics.shuffleReadMetrics.foreach { shuffleRead =>
executorToShuffleRead(eid) =
executorToShuffleRead.getOrElse(eid, 0L) + shuffleRead.remoteBytesRead
}
metrics.shuffleWriteMetrics.foreach { shuffleWrite =>
executorToShuffleWrite(eid) =
executorToShuffleWrite.getOrElse(eid, 0L) + shuffleWrite.bytesWritten
}
executorToJvmGCTime(eid) = executorToJvmGCTime.getOrElse(eid, 0L) + metrics.jvmGCTime
}
}
}
}
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