Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/5473#discussion_r28859252
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/ui/BatchPage.scala ---
@@ -0,0 +1,224 @@
+/*
+ * 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.streaming.ui
+
+import javax.servlet.http.HttpServletRequest
+
+import org.apache.commons.lang3.StringEscapeUtils
+import org.apache.spark.streaming.Time
+import org.apache.spark.ui.{UIUtils, WebUIPage}
+import org.apache.spark.streaming.ui.StreamingJobProgressListener.{JobId,
OutputOpId}
+import org.apache.spark.ui.jobs.UIData.JobUIData
+
+import scala.xml.{NodeSeq, Node}
+
+class BatchPage(parent: StreamingTab) extends WebUIPage("batch") {
+ private val streaminglistener = parent.listener
+ private val sparkListener = parent.ssc.sc.jobProgressListener
+
+ private def columns: Seq[Node] = {
+ <th>Output Op Id</th>
+ <th>Description</th>
+ <th>Duration</th>
+ <th>Job Id</th>
+ <th>Duration</th>
+ <th class="sorttable_nosort">Stages: Succeeded/Total</th>
+ <th class="sorttable_nosort">Tasks (for all stages):
Succeeded/Total</th>
+ <th>Error</th>
+ }
+
+ private def makeOutputOpIdRow(outputOpId: OutputOpId, jobs:
Seq[JobUIData]): Seq[Node] = {
+ val jobDurations = jobs.map(job => {
+ job.submissionTime.map { start =>
+ val end = job.completionTime.getOrElse(System.currentTimeMillis())
+ end - start
+ }
+ })
+ val formattedOutputOpDuration =
+ if (jobDurations.exists(_ == None)) {
+ // If any job does not finish, set "formattedOutputOpDuration" to
"-"
+ "-"
+ } else {
+ UIUtils.formatDuration(jobDurations.flatMap(x => x).sum)
+ }
+
+ def makeJobRow(job: JobUIData, isFirstRow: Boolean): Seq[Node] = {
+ val lastStageInfo = Option(job.stageIds)
+ .filter(_.nonEmpty)
+ .flatMap { ids => sparkListener.stageIdToInfo.get(ids.max) }
+ val lastStageData = lastStageInfo.flatMap { s =>
+ sparkListener.stageIdToData.get((s.stageId, s.attemptId))
+ }
+
+ val lastStageName = lastStageInfo.map(_.name).getOrElse("(Unknown
Stage Name)")
+ val lastStageDescription =
lastStageData.flatMap(_.description).getOrElse("")
+ val duration: Option[Long] = {
+ job.submissionTime.map { start =>
+ val end =
job.completionTime.getOrElse(System.currentTimeMillis())
+ end - start
+ }
+ }
+ val lastFailureReason =
job.stageIds.sorted.reverse.flatMap(sparkListener.stageIdToInfo.get).
+ dropWhile(_.failureReason == None).take(1). // get the first info
that contains failure
+ flatMap(info => info.failureReason).headOption.getOrElse("")
+ val formattedDuration = duration.map(d =>
UIUtils.formatDuration(d)).getOrElse("-")
+ val detailUrl =
s"${UIUtils.prependBaseUri(parent.basePath)}/jobs/job?id=${job.jobId}"
+ <tr>
+ {if(isFirstRow) {
+ <td rowspan={jobs.size.toString}>{outputOpId}</td>
+ <td rowspan={jobs.size.toString}>
+ <span class="description-input" title={lastStageDescription}>
+ {lastStageDescription}
+ </span>{lastStageName}
+ </td>
+ <td rowspan={jobs.size.toString}>{formattedOutputOpDuration}</td>}
+ }
+ <td sorttable_customkey={job.jobId.toString}>
+ <a href={detailUrl}>
+ {job.jobId}{job.jobGroup.map(id => s"($id)").getOrElse("")}
+ </a>
+ </td>
+ <td
sorttable_customkey={duration.getOrElse(Long.MaxValue).toString}>
+ {formattedDuration}
+ </td>
+ <td class="stage-progress-cell">
+ {job.completedStageIndices.size}/{job.stageIds.size -
job.numSkippedStages}
+ {if (job.numFailedStages > 0) s"(${job.numFailedStages} failed)"}
+ {if (job.numSkippedStages > 0) s"(${job.numSkippedStages}
skipped)"}
+ </td>
+ <td class="progress-cell">
+ {UIUtils.makeProgressBar(started = job.numActiveTasks, completed
= job.numCompletedTasks,
+ failed = job.numFailedTasks, skipped = job.numSkippedTasks,
--- End diff --
indent scala code correctly.
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