spark PoolTable 源码
spark PoolTable 代码
文件路径：/core/src/main/scala/org/apache/spark/ui/jobs/PoolTable.scala
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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 java.net.URLEncoder
import java.nio.charset.StandardCharsets
import javax.servlet.http.HttpServletRequest
import scala.xml.Node
import org.apache.spark.scheduler.Schedulable
import org.apache.spark.status.PoolData
import org.apache.spark.ui.UIUtils
/** Table showing list of pools */
private[ui] class PoolTable(pools: Map[Schedulable, PoolData], parent: StagesTab) {
def toNodeSeq(request: HttpServletRequest): Seq[Node] = {
<table class="table table-bordered table-striped table-sm sortable table-fixed">
<thead>
<tr>
<th>Pool Name</th>
<th>
<span data-toggle="tooltip" data-placement="top" title="Pool's minimum share of CPU
cores">Minimum Share</span>
</th>
<th>
<span data-toggle="tooltip" data-placement="top" title="Pool's share of cluster
resources relative to others">Pool Weight</span>
</th>
<th>Active Stages</th>
<th>Running Tasks</th>
<th>SchedulingMode</th>
</tr>
</thead>
<tbody>
{pools.map { case (s, p) => poolRow(request, s, p) }}
</tbody>
</table>
}
private def poolRow(request: HttpServletRequest, s: Schedulable, p: PoolData): Seq[Node] = {
val activeStages = p.stageIds.size
val href = "%s/stages/pool?poolname=%s"
.format(UIUtils.prependBaseUri(request, parent.basePath),
URLEncoder.encode(p.name, StandardCharsets.UTF_8.name()))
<tr>
<td>
<a href={href}>{p.name}</a>
</td>
<td>{s.minShare}</td>
<td>{s.weight}</td>
<td>{activeStages}</td>
<td>{s.runningTasks}</td>
<td>{s.schedulingMode}</td>
</tr>
}
}
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