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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.jobs
import javax.servlet.http.HttpServletRequest
import scala.xml.{Node, NodeSeq}
import org.apache.spark.scheduler.Schedulable
import org.apache.spark.ui.Page._
import org.apache.spark.ui.UIUtils
/** Page showing list of all ongoing and recently finished stages and pools*/
private[ui] class IndexPage(parent: JobProgressUI) {
private val appName = parent.appName
private val basePath = parent.basePath
private val live = parent.live
private val sc = parent.sc
private lazy val listener = parent.listener
private lazy val isFairScheduler = parent.isFairScheduler
def render(request: HttpServletRequest): Seq[Node] = {
listener.synchronized {
val activeStages = listener.activeStages.values.toSeq
val completedStages = listener.completedStages.reverse.toSeq
val failedStages = listener.failedStages.reverse.toSeq
val now = System.currentTimeMillis()
val activeStagesTable = new StageTable(activeStages.sortBy(_.submissionTime).reverse, parent)
val completedStagesTable =
new StageTable(completedStages.sortBy(_.submissionTime).reverse, parent)
val failedStagesTable = new StageTable(failedStages.sortBy(_.submissionTime).reverse, parent)
// For now, pool information is only accessible in live UIs
val pools = if (live) sc.getAllPools else Seq[Schedulable]()
val poolTable = new PoolTable(pools, parent)
val summary: NodeSeq =
<div>
<ul class="unstyled">
{if (live) {
// Total duration is not meaningful unless the UI is live
<li>
<strong>Total Duration: </strong>
{parent.formatDuration(now - sc.startTime)}
</li>
}}
<li>
<strong>Scheduling Mode: </strong>
{listener.schedulingMode.map(_.toString).getOrElse("Unknown")}
</li>
<li>
<a href="#active"><strong>Active Stages:</strong></a>
{activeStages.size}
</li>
<li>
<a href="#completed"><strong>Completed Stages:</strong></a>
{completedStages.size}
</li>
<li>
<a href="#failed"><strong>Failed Stages:</strong></a>
{failedStages.size}
</li>
</ul>
</div>
val content = summary ++
{if (live && isFairScheduler) {
<h4>{pools.size} Fair Scheduler Pools</h4> ++ poolTable.toNodeSeq
} else {
Seq[Node]()
}} ++
<h4 id="active">Active Stages ({activeStages.size})</h4> ++
activeStagesTable.toNodeSeq ++
<h4 id="completed">Completed Stages ({completedStages.size})</h4> ++
completedStagesTable.toNodeSeq ++
<h4 id ="failed">Failed Stages ({failedStages.size})</h4> ++
failedStagesTable.toNodeSeq
UIUtils.headerSparkPage(content, basePath, appName, "Spark Stages", Stages)
}
}
}
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