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path: root/core/src/main/scala/org/apache/spark/ui/exec/ExecutorsPage.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.ui.exec

import javax.servlet.http.HttpServletRequest

import scala.xml.Node

import org.apache.spark.status.api.v1.ExecutorSummary
import org.apache.spark.ui.{UIUtils, WebUIPage}

// This isn't even used anymore -- but we need to keep it b/c of a MiMa false positive
private[ui] case class ExecutorSummaryInfo(
    id: String,
    hostPort: String,
    rddBlocks: Int,
    memoryUsed: Long,
    diskUsed: Long,
    activeTasks: Int,
    failedTasks: Int,
    completedTasks: Int,
    totalTasks: Int,
    totalDuration: Long,
    totalInputBytes: Long,
    totalShuffleRead: Long,
    totalShuffleWrite: Long,
    isBlacklisted: Int,
    maxOnHeapMem: Long,
    maxOffHeapMem: Long,
    executorLogs: Map[String, String])


private[ui] class ExecutorsPage(
    parent: ExecutorsTab,
    threadDumpEnabled: Boolean)
  extends WebUIPage("") {

  def render(request: HttpServletRequest): Seq[Node] = {
    val content =
      <div>
        {
          <div>
            <span class="expand-additional-metrics">
              <span class="expand-additional-metrics-arrow arrow-closed"></span>
              <a>Show Additional Metrics</a>
            </span>
            <div class="additional-metrics collapsed">
              <ul>
                <li>
                  <input type="checkbox" id="select-all-metrics"/>
                  <span class="additional-metric-title"><em>(De)select All</em></span>
                </li>
                <li>
                  <span data-toggle="tooltip"
                        title={ExecutorsPage.ON_HEAP_MEMORY_TOOLTIP} data-placement="right">
                    <input type="checkbox" name="on_heap_memory"/>
                    <span class="additional-metric-title">On Heap Storage Memory</span>
                  </span>
                </li>
                <li>
                  <span data-toggle="tooltip"
                        title={ExecutorsPage.OFF_HEAP_MEMORY_TOOLTIP} data-placement="right">
                    <input type="checkbox" name="off_heap_memory"/>
                    <span class="additional-metric-title">Off Heap Storage Memory</span>
                  </span>
                </li>
              </ul>
            </div>
          </div> ++
          <div id="active-executors"></div> ++
          <script src={UIUtils.prependBaseUri("/static/utils.js")}></script> ++
          <script src={UIUtils.prependBaseUri("/static/executorspage.js")}></script> ++
          <script>setThreadDumpEnabled({threadDumpEnabled})</script>
        }
      </div>

    UIUtils.headerSparkPage("Executors", content, parent, useDataTables = true)
  }
}

private[spark] object ExecutorsPage {
  private val ON_HEAP_MEMORY_TOOLTIP = "Memory used / total available memory for on heap " +
    "storage of data like RDD partitions cached in memory."
  private val OFF_HEAP_MEMORY_TOOLTIP = "Memory used / total available memory for off heap " +
    "storage of data like RDD partitions cached in memory."

  /** Represent an executor's info as a map given a storage status index */
  def getExecInfo(
      listener: ExecutorsListener,
      statusId: Int,
      isActive: Boolean): ExecutorSummary = {
    val status = if (isActive) {
      listener.activeStorageStatusList(statusId)
    } else {
      listener.deadStorageStatusList(statusId)
    }
    val execId = status.blockManagerId.executorId
    val hostPort = status.blockManagerId.hostPort
    val rddBlocks = status.numBlocks
    val memUsed = status.memUsed
    val maxMem = status.maxMem
    val onHeapMemUsed = status.onHeapMemUsed
    val offHeapMemUsed = status.offHeapMemUsed
    val maxOnHeapMem = status.maxOnHeapMem
    val maxOffHeapMem = status.maxOffHeapMem
    val diskUsed = status.diskUsed
    val taskSummary = listener.executorToTaskSummary.getOrElse(execId, ExecutorTaskSummary(execId))

    new ExecutorSummary(
      execId,
      hostPort,
      isActive,
      rddBlocks,
      memUsed,
      diskUsed,
      taskSummary.totalCores,
      taskSummary.tasksMax,
      taskSummary.tasksActive,
      taskSummary.tasksFailed,
      taskSummary.tasksComplete,
      taskSummary.tasksActive + taskSummary.tasksFailed + taskSummary.tasksComplete,
      taskSummary.duration,
      taskSummary.jvmGCTime,
      taskSummary.inputBytes,
      taskSummary.shuffleRead,
      taskSummary.shuffleWrite,
      taskSummary.isBlacklisted,
      maxMem,
      taskSummary.executorLogs,
      onHeapMemUsed,
      offHeapMemUsed,
      maxOnHeapMem,
      maxOffHeapMem
    )
  }
}