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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 java.net.URLDecoder
import javax.servlet.http.HttpServletRequest
import scala.util.Try
import scala.xml.{Node, Text}
import org.apache.spark.ui.{UIUtils, WebUIPage}
private[ui] class ExecutorThreadDumpPage(parent: ExecutorsTab) extends WebUIPage("threadDump") {
private val sc = parent.sc
def render(request: HttpServletRequest): Seq[Node] = {
val executorId = Option(request.getParameter("executorId")).map {
executorId =>
// Due to YARN-2844, "<driver>" in the url will be encoded to "%25253Cdriver%25253E" when
// running in yarn-cluster mode. `request.getParameter("executorId")` will return
// "%253Cdriver%253E". Therefore we need to decode it until we get the real id.
var id = executorId
var decodedId = URLDecoder.decode(id, "UTF-8")
while (id != decodedId) {
id = decodedId
decodedId = URLDecoder.decode(id, "UTF-8")
}
id
}.getOrElse {
throw new IllegalArgumentException(s"Missing executorId parameter")
}
val time = System.currentTimeMillis()
val maybeThreadDump = sc.get.getExecutorThreadDump(executorId)
val content = maybeThreadDump.map { threadDump =>
val dumpRows = threadDump.sortWith {
case (threadTrace1, threadTrace2) => {
val v1 = if (threadTrace1.threadName.contains("Executor task launch")) 1 else 0
val v2 = if (threadTrace2.threadName.contains("Executor task launch")) 1 else 0
if (v1 == v2) {
threadTrace1.threadName.toLowerCase < threadTrace2.threadName.toLowerCase
} else {
v1 > v2
}
}
}.map { thread =>
val threadId = thread.threadId
<tr id={s"thread_${threadId}_tr"} class="accordion-heading"
onclick={s"toggleThreadStackTrace($threadId, false)"}
onmouseover={s"onMouseOverAndOut($threadId)"}
onmouseout={s"onMouseOverAndOut($threadId)"}>
<td id={s"${threadId}_td_id"}>{threadId}</td>
<td id={s"${threadId}_td_name"}>{thread.threadName}</td>
<td id={s"${threadId}_td_state"}>{thread.threadState}</td>
<td id={s"${threadId}_td_stacktrace"} class="hidden">{thread.stackTrace}</td>
</tr>
}
<div class="row-fluid">
<p>Updated at {UIUtils.formatDate(time)}</p>
{
// scalastyle:off
<p><a class="expandbutton" onClick="expandAllThreadStackTrace(true)">
Expand All
</a></p>
<p><a class="expandbutton hidden" onClick="collapseAllThreadStackTrace(true)">
Collapse All
</a></p>
<div class="form-inline">
<div class="bs-example" data-example-id="simple-form-inline">
<div class="form-group">
<div class="input-group">
Search: <input type="text" class="form-control" id="search" oninput="onSearchStringChange()"></input>
</div>
</div>
</div>
</div>
<p></p>
// scalastyle:on
}
<table class={UIUtils.TABLE_CLASS_STRIPED + " accordion-group" + " sortable"}>
<thead>
<th onClick="collapseAllThreadStackTrace(false)">Thread ID</th>
<th onClick="collapseAllThreadStackTrace(false)">Thread Name</th>
<th onClick="collapseAllThreadStackTrace(false)">Thread State</th>
</thead>
<tbody>{dumpRows}</tbody>
</table>
</div>
}.getOrElse(Text("Error fetching thread dump"))
UIUtils.headerSparkPage(s"Thread dump for executor $executorId", content, parent)
}
}
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