dongjoon-hyun commented on code in PR #41709: URL: https://github.com/apache/spark/pull/41709#discussion_r1239347603
########## core/src/main/scala/org/apache/spark/ui/exec/ExecutorHeapHistogramPage.scala: ########## @@ -0,0 +1,89 @@ +/* + * 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, Text} + +import org.apache.spark.SparkContext +import org.apache.spark.ui.{SparkUITab, UIUtils, WebUIPage} + +private[ui] class ExecutorHeapHistogramPage( + parent: SparkUITab, + sc: Option[SparkContext]) extends WebUIPage("heapHistogram") { + + // Match the lines containing object informations + val pattern = """\s*([0-9]+):\s+([0-9]+)\s+([0-9]+)\s+(\S+)(.*)""".r + + def render(request: HttpServletRequest): Seq[Node] = { + val executorId = Option(request.getParameter("executorId")).map { executorId => + UIUtils.decodeURLParameter(executorId) + }.getOrElse { + throw new IllegalArgumentException(s"Missing executorId parameter") + } + val time = System.currentTimeMillis() + val maybeHeapHistogram = sc.get.getExecutorHeapHistogram(executorId) + + val content = maybeHeapHistogram.map { heapHistogram => + val rows = heapHistogram.map { row => + row match { + case pattern(rank, instances, bytes, name, module) => + <tr class="accordion-heading"> + <td>{rank}</td> + <td>{instances}</td> + <td>{bytes}</td> + <td>{name}</td> + <td>{module}</td> + </tr> + case pattern(rank, instances, bytes, name) => + <tr class="accordion-heading"> + <td>{rank}</td> + <td>{instances}</td> + <td>{bytes}</td> + <td>{name}</td> + <td></td> + </tr> + case _ => + // Ignore the first two lines and the last line Review Comment: Yes, correct. We log and return `None` for `Option[Array[String]]`. So, the heap histogram UI will be empty. https://github.com/apache/spark/blob/284029b6582436b193d52ca0e2583c5ac7e00993/core/src/main/scala/org/apache/spark/SparkContext.scala#L756-L775 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
