YARN-2336. Fair scheduler's REST API returns a missing '[' bracket JSON for deep queue tree. Contributed by Kenji Kikushima and Akira Ajisaka.
This commit is contained in:
parent
56996a685e
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9a3d617b63
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@ -52,6 +52,9 @@ Release 2.8.0 - UNRELEASED
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INCOMPATIBLE CHANGES
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YARN-2336. Fair scheduler's REST API returns a missing '[' bracket JSON for
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deep queue tree. (Kenji Kikushima and Akira Ajisaka via ozawa)
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NEW FEATURES
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YARN-3345. Add non-exclusive node label API. (Wangda Tan via jianhe)
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@ -53,7 +53,8 @@ public class JAXBContextResolver implements ContextResolver<JAXBContext> {
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NodesInfo.class, RemoteExceptionData.class,
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CapacitySchedulerQueueInfoList.class, ResourceInfo.class,
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UsersInfo.class, UserInfo.class, ApplicationStatisticsInfo.class,
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StatisticsItemInfo.class, CapacitySchedulerHealthInfo.class };
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StatisticsItemInfo.class, CapacitySchedulerHealthInfo.class,
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FairSchedulerQueueInfoList.class};
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// these dao classes need root unwrapping
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final Class[] rootUnwrappedTypes =
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{ NewApplication.class, ApplicationSubmissionContextInfo.class,
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@ -19,7 +19,6 @@
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package org.apache.hadoop.yarn.server.resourcemanager.webapp.dao;
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import java.util.ArrayList;
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import java.util.Collection;
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import javax.xml.bind.annotation.XmlAccessType;
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@ -60,9 +59,9 @@ public class FairSchedulerQueueInfo {
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private String queueName;
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private String schedulingPolicy;
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private Collection<FairSchedulerQueueInfo> childQueues;
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private FairSchedulerQueueInfoList childQueues;
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public FairSchedulerQueueInfo() {
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}
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@ -95,20 +94,34 @@ public class FairSchedulerQueueInfo {
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maxApps = allocConf.getQueueMaxApps(queueName);
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childQueues = new ArrayList<FairSchedulerQueueInfo>();
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if (allocConf.isReservable(queueName) &&
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!allocConf.getShowReservationAsQueues(queueName)) {
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return;
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}
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childQueues = getChildQueues(queue, scheduler);
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}
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protected FairSchedulerQueueInfoList getChildQueues(FSQueue queue,
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FairScheduler scheduler) {
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// Return null to omit 'childQueues' field from the return value of
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// REST API if it is empty. We omit the field to keep the consistency
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// with CapacitySchedulerQueueInfo, which omits 'queues' field if empty.
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Collection<FSQueue> children = queue.getChildQueues();
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if (children.isEmpty()) {
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return null;
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}
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FairSchedulerQueueInfoList list = new FairSchedulerQueueInfoList();
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for (FSQueue child : children) {
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if (child instanceof FSLeafQueue) {
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childQueues.add(new FairSchedulerLeafQueueInfo((FSLeafQueue)child, scheduler));
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list.addToQueueInfoList(
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new FairSchedulerLeafQueueInfo((FSLeafQueue) child, scheduler));
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} else {
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childQueues.add(new FairSchedulerQueueInfo(child, scheduler));
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list.addToQueueInfoList(
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new FairSchedulerQueueInfo(child, scheduler));
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}
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}
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return list;
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}
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/**
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@ -189,8 +202,8 @@ public class FairSchedulerQueueInfo {
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public String getSchedulingPolicy() {
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return schedulingPolicy;
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}
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public Collection<FairSchedulerQueueInfo> getChildQueues() {
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return childQueues;
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return childQueues.getQueueInfoList();
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}
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}
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@ -0,0 +1,49 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.yarn.server.resourcemanager.webapp.dao;
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import java.util.ArrayList;
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import javax.xml.bind.annotation.XmlAccessType;
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import javax.xml.bind.annotation.XmlAccessorType;
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import javax.xml.bind.annotation.XmlRootElement;
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/**
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* FairScheduler QueueInfo list used for mapping to XML or JSON.
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*/
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@XmlRootElement
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@XmlAccessorType(XmlAccessType.FIELD)
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public class FairSchedulerQueueInfoList {
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private ArrayList<FairSchedulerQueueInfo> queue;
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public FairSchedulerQueueInfoList() {
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queue = new ArrayList<>();
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}
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public ArrayList<FairSchedulerQueueInfo> getQueueInfoList() {
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return this.queue;
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}
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public boolean addToQueueInfoList(FairSchedulerQueueInfo e) {
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return this.queue.add(e);
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}
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public FairSchedulerQueueInfo getQueueInfo(int i) {
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return this.queue.get(i);
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}
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}
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@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.server.resourcemanager.webapp;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import java.io.StringReader;
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@ -575,6 +576,15 @@ public class TestRMWebServicesCapacitySched extends JerseyTestBase {
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user.getInt("numPendingApplications");
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checkResourcesUsed(user);
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}
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// Verify 'queues' field is omitted from CapacitySchedulerLeafQueueInfo.
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try {
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b1.getJSONObject("queues");
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fail("CapacitySchedulerQueueInfo should omit field 'queues'" +
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"if child queue is empty.");
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} catch (JSONException je) {
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assertEquals("JSONObject[\"queues\"] not found.", je.getMessage());
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}
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} finally {
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rm.stop();
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}
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@ -19,6 +19,7 @@
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package org.apache.hadoop.yarn.server.resourcemanager.webapp;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.fail;
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import javax.ws.rs.core.MediaType;
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@ -27,8 +28,10 @@ import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
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import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.QueueManager;
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import org.apache.hadoop.yarn.webapp.GenericExceptionHandler;
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import org.apache.hadoop.yarn.webapp.JerseyTestBase;
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import org.codehaus.jettison.json.JSONArray;
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import org.codehaus.jettison.json.JSONException;
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import org.codehaus.jettison.json.JSONObject;
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import org.junit.Test;
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@ -99,6 +102,38 @@ public class TestRMWebServicesFairScheduler extends JerseyTestBase {
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verifyClusterScheduler(json);
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}
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@Test
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public void testClusterSchedulerWithSubQueues() throws JSONException,
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Exception {
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FairScheduler scheduler = (FairScheduler)rm.getResourceScheduler();
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QueueManager queueManager = scheduler.getQueueManager();
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// create LeafQueue
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queueManager.getLeafQueue("root.q.subqueue1", true);
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queueManager.getLeafQueue("root.q.subqueue2", true);
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WebResource r = resource();
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ClientResponse response = r.path("ws").path("v1").path("cluster")
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.path("scheduler").accept(MediaType.APPLICATION_JSON)
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.get(ClientResponse.class);
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assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
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JSONObject json = response.getEntity(JSONObject.class);
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JSONArray subQueueInfo = json.getJSONObject("scheduler")
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.getJSONObject("schedulerInfo").getJSONObject("rootQueue")
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.getJSONObject("childQueues").getJSONArray("queue")
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.getJSONObject(1).getJSONObject("childQueues").getJSONArray("queue");
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// subQueueInfo is consist of subqueue1 and subqueue2 info
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assertEquals(2, subQueueInfo.length());
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// Verify 'childQueues' field is omitted from FairSchedulerLeafQueueInfo.
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try {
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subQueueInfo.getJSONObject(1).getJSONObject("childQueues");
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fail("FairSchedulerQueueInfo should omit field 'childQueues'" +
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"if child queue is empty.");
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} catch (JSONException je) {
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assertEquals("JSONObject[\"childQueues\"] not found.", je.getMessage());
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}
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}
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private void verifyClusterScheduler(JSONObject json) throws JSONException,
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Exception {
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assertEquals("incorrect number of elements", 1, json.length());
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@ -321,10 +321,10 @@ The capacity scheduler supports hierarchical queues. This one request will print
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| usedResources | string | A string describing the current resources used by the queue |
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| queueName | string | The name of the queue |
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| state | string of QueueState | The state of the queue |
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| queues | array of queues(JSON)/zero or more queue objects(XML) | A collection of sub-queue information |
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| queues | array of queues(JSON)/zero or more queue objects(XML) | A collection of sub-queue information. Omitted if the queue has no sub-queues. |
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| resourcesUsed | A single resource object | The total amount of resources used by this queue |
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### Elements of the queues object for a Leaf queue - contains all elements in parent plus the following:
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### Elements of the queues object for a Leaf queue - contains all the elements in parent except 'queues' plus the following:
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| Item | Data Type | Description |
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|:---- |:---- |:---- |
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@ -1005,9 +1005,9 @@ Response Body:
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| clusterResources | A single resource object | The capacity of the cluster |
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| queueName | string | The name of the queue |
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| schedulingPolicy | string | The name of the scheduling policy used by the queue |
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| childQueues | array of queues(JSON)/queue objects(XML) | A collection of sub-queue information |
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| childQueues | array of queues(JSON)/queue objects(XML) | A collection of sub-queue information. Omitted if the queue has no childQueues. |
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### Elements of the queues object for a Leaf queue - contains all elements in parent plus the following
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### Elements of the queues object for a Leaf queue - contains all the elements in parent except 'childQueues' plus the following
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| Item | Data Type | Description |
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|:---- |:---- |:---- |
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@ -1044,43 +1044,15 @@ Response Body:
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"scheduler": {
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"schedulerInfo": {
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"rootQueue": {
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"childQueues": [
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{
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"clusterResources": {
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"memory": 8192,
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"vCores": 8
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},
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"fairResources": {
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"memory": 0,
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"vCores": 0
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},
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"maxApps": 2147483647,
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"maxResources": {
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"memory": 8192,
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"vCores": 8
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},
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"minResources": {
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"memory": 0,
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"vCores": 0
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},
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"numActiveApps": 0,
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"numPendingApps": 0,
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"queueName": "root.default",
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"schedulingPolicy": "fair",
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"type": "fairSchedulerLeafQueueInfo",
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"usedResources": {
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"memory": 0,
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"vCores": 0
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}
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},
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{
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"childQueues": {
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"childQueues": {
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"queue": [
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{
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"clusterResources": {
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"memory": 8192,
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"vCores": 8
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},
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"fairResources": {
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"memory": 10000,
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"memory": 0,
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"vCores": 0
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},
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"maxApps": 2147483647,
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@ -1089,46 +1061,78 @@ Response Body:
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"vCores": 8
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},
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"minResources": {
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"memory": 5000,
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"memory": 0,
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"vCores": 0
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},
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"numActiveApps": 0,
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"numPendingApps": 0,
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"queueName": "root.sample_queue.sample_sub_queue",
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"queueName": "root.default",
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"schedulingPolicy": "fair",
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"type": [
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"fairSchedulerLeafQueueInfo"
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],
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"type": "fairSchedulerLeafQueueInfo",
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"usedResources": {
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"memory": 0,
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"vCores": 0
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}
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},
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"clusterResources": {
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"memory": 8192,
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"vCores": 8
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},
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"fairResources": {
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"memory": 10000,
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"vCores": 0
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},
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"maxApps": 50,
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"maxResources": {
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"memory": 8192,
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"vCores": 0
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},
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"minResources": {
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"memory": 10000,
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"vCores": 0
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},
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"queueName": "root.sample_queue",
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"schedulingPolicy": "fair",
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"usedResources": {
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"memory": 0,
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"vCores": 0
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{
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"childQueues": {
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"queue": [
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{
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"clusterResources": {
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"memory": 8192,
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"vCores": 8
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},
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"fairResources": {
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"memory": 10000,
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"vCores": 0
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},
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"maxApps": 2147483647,
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"maxResources": {
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"memory": 8192,
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"vCores": 8
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},
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"minResources": {
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"memory": 5000,
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"vCores": 0
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},
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"numActiveApps": 0,
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"numPendingApps": 0,
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"queueName": "root.sample_queue.sample_sub_queue",
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"schedulingPolicy": "fair",
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"type": "fairSchedulerLeafQueueInfo",
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"usedResources": {
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"memory": 0,
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"vCores": 0
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}
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}
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]
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},
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"clusterResources": {
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"memory": 8192,
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"vCores": 8
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},
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"fairResources": {
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"memory": 10000,
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"vCores": 0
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},
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"maxApps": 50,
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"maxResources": {
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"memory": 8192,
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"vCores": 0
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},
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"minResources": {
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"memory": 10000,
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"vCores": 0
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},
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"queueName": "root.sample_queue",
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"schedulingPolicy": "fair",
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"usedResources": {
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"memory": 0,
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"vCores": 0
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}
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}
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}
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],
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],
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},
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"clusterResources": {
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"memory": 8192,
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"vCores": 8
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@ -1203,61 +1207,11 @@ Response Body:
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</clusterResources>
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<queueName>root</queueName>
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<schedulingPolicy>fair</schedulingPolicy>
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<childQueues xsi:type="fairSchedulerLeafQueueInfo">
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<maxApps>2147483647</maxApps>
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<minResources>
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<memory>0</memory>
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<vCores>0</vCores>
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</minResources>
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<maxResources>
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<memory>8192</memory>
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<vCores>8</vCores>
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</maxResources>
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<usedResources>
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<memory>0</memory>
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<vCores>0</vCores>
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</usedResources>
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<fairResources>
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<memory>0</memory>
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<vCores>0</vCores>
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</fairResources>
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<clusterResources>
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<memory>8192</memory>
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<vCores>8</vCores>
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</clusterResources>
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<queueName>root.default</queueName>
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<schedulingPolicy>fair</schedulingPolicy>
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<numPendingApps>0</numPendingApps>
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<numActiveApps>0</numActiveApps>
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</childQueues>
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<childQueues>
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<maxApps>50</maxApps>
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<minResources>
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<memory>10000</memory>
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<vCores>0</vCores>
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</minResources>
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<maxResources>
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<memory>8192</memory>
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<vCores>0</vCores>
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</maxResources>
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<usedResources>
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<memory>0</memory>
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<vCores>0</vCores>
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</usedResources>
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<fairResources>
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<memory>10000</memory>
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<vCores>0</vCores>
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</fairResources>
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<clusterResources>
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<memory>8192</memory>
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<vCores>8</vCores>
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</clusterResources>
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<queueName>root.sample_queue</queueName>
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<schedulingPolicy>fair</schedulingPolicy>
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<childQueues xsi:type="fairSchedulerLeafQueueInfo">
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<queue xsi:type="fairSchedulerLeafQueueInfo">
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<maxApps>2147483647</maxApps>
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<minResources>
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<memory>5000</memory>
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<memory>0</memory>
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<vCores>0</vCores>
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</minResources>
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<maxResources>
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|
@ -1268,6 +1222,33 @@ Response Body:
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<memory>0</memory>
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<vCores>0</vCores>
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</usedResources>
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<fairResources>
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<memory>0</memory>
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<vCores>0</vCores>
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</fairResources>
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<clusterResources>
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<memory>8192</memory>
|
||||
<vCores>8</vCores>
|
||||
</clusterResources>
|
||||
<queueName>root.default</queueName>
|
||||
<schedulingPolicy>fair</schedulingPolicy>
|
||||
<numPendingApps>0</numPendingApps>
|
||||
<numActiveApps>0</numActiveApps>
|
||||
</queue>
|
||||
<queue>
|
||||
<maxApps>50</maxApps>
|
||||
<minResources>
|
||||
<memory>10000</memory>
|
||||
<vCores>0</vCores>
|
||||
</minResources>
|
||||
<maxResources>
|
||||
<memory>8192</memory>
|
||||
<vCores>0</vCores>
|
||||
</maxResources>
|
||||
<usedResources>
|
||||
<memory>0</memory>
|
||||
<vCores>0</vCores>
|
||||
</usedResources>
|
||||
<fairResources>
|
||||
<memory>10000</memory>
|
||||
<vCores>0</vCores>
|
||||
|
@ -1276,11 +1257,38 @@ Response Body:
|
|||
<memory>8192</memory>
|
||||
<vCores>8</vCores>
|
||||
</clusterResources>
|
||||
<queueName>root.sample_queue.sample_sub_queue</queueName>
|
||||
<queueName>root.sample_queue</queueName>
|
||||
<schedulingPolicy>fair</schedulingPolicy>
|
||||
<numPendingApps>0</numPendingApps>
|
||||
<numActiveApps>0</numActiveApps>
|
||||
</childQueues>
|
||||
<childQueues>
|
||||
<queue xsi:type="fairSchedulerLeafQueueInfo">
|
||||
<maxApps>2147483647</maxApps>
|
||||
<minResources>
|
||||
<memory>5000</memory>
|
||||
<vCores>0</vCores>
|
||||
</minResources>
|
||||
<maxResources>
|
||||
<memory>8192</memory>
|
||||
<vCores>8</vCores>
|
||||
</maxResources>
|
||||
<usedResources>
|
||||
<memory>0</memory>
|
||||
<vCores>0</vCores>
|
||||
</usedResources>
|
||||
<fairResources>
|
||||
<memory>10000</memory>
|
||||
<vCores>0</vCores>
|
||||
</fairResources>
|
||||
<clusterResources>
|
||||
<memory>8192</memory>
|
||||
<vCores>8</vCores>
|
||||
</clusterResources>
|
||||
<queueName>root.sample_queue.sample_sub_queue</queueName>
|
||||
<schedulingPolicy>fair</schedulingPolicy>
|
||||
<numPendingApps>0</numPendingApps>
|
||||
<numActiveApps>0</numActiveApps>
|
||||
</queue>
|
||||
</childQueues>
|
||||
</queue>
|
||||
</childQueues>
|
||||
</rootQueue>
|
||||
</schedulerInfo>
|
||||
|
|
Loading…
Reference in New Issue