spark StagesTab 源码

2022-10-20
浏览 (293)

spark StagesTab 代码

文件路径：/core/src/main/scala/org/apache/spark/ui/jobs/StagesTab.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.ui.jobs

import javax.servlet.http.HttpServletRequest

import org.apache.spark.internal.config.SCHEDULER_MODE
import org.apache.spark.scheduler.SchedulingMode
import org.apache.spark.status.AppStatusStore
import org.apache.spark.status.api.v1.StageStatus
import org.apache.spark.ui.{SparkUI, SparkUITab}

/** Web UI showing progress status of all stages in the given SparkContext. */
private[ui] class StagesTab(val parent: SparkUI, val store: AppStatusStore)
  extends SparkUITab(parent, "stages") {

  val sc = parent.sc
  val conf = parent.conf
  val killEnabled = parent.killEnabled

  attachPage(new AllStagesPage(this))
  attachPage(new StagePage(this, store))
  attachPage(new PoolPage(this))

  // Show pool information for only live UI.
  def isFairScheduler: Boolean = {
    sc.isDefined &&
    store
      .environmentInfo()
      .sparkProperties
      .contains((SCHEDULER_MODE.key, SchedulingMode.FAIR.toString))
  }

  def handleKillRequest(request: HttpServletRequest): Unit = {
    if (killEnabled && parent.securityManager.checkModifyPermissions(request.getRemoteUser)) {
      Option(request.getParameter("id")).map(_.toInt).foreach { id =>
        store.asOption(store.lastStageAttempt(id)).foreach { stage =>
          val status = stage.status
          if (status == StageStatus.ACTIVE || status == StageStatus.PENDING) {
            sc.foreach(_.cancelStage(id, "killed via the Web UI"))
            // Do a quick pause here to give Spark time to kill the stage so it shows up as
            // killed after the refresh. Note that this will block the serving thread so the
            // time should be limited in duration.
            Thread.sleep(100)
          }
        }
      }
    }
  }

}

相关信息

spark 源码目录

相关文章

spark AllJobsPage 源码

spark AllStagesPage 源码

spark JobDataUtil 源码

spark JobPage 源码

spark JobsTab 源码

spark PoolPage 源码

spark PoolTable 源码

spark StagePage 源码

spark StageTable 源码

spark TaskDetailsClassNames 源码

0 赞

所属分类： 前端技术
本文标签：
版权声明： 原创文章如转载，请注明本文链接: https://www.seaxiang.com/blog/19b0cc0e251e41d0843c9355da0ec611

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙初识ArkTS语言
6、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
7、 flink kafka connector scan.startup.mode 的几个选项
8、 golang
9、 openharmony
10、 Vue中input框自动聚焦

Loading...