| /** |
| * 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.hadoop.mapreduce.v2.app.webapp.dao; |
| |
| import java.util.ArrayList; |
| import java.util.Map; |
| |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlRootElement; |
| import javax.xml.bind.annotation.XmlTransient; |
| |
| import org.apache.hadoop.mapreduce.CounterGroup; |
| import org.apache.hadoop.mapreduce.Counters; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskId; |
| import org.apache.hadoop.mapreduce.v2.app.AppContext; |
| import org.apache.hadoop.mapreduce.v2.app.job.Job; |
| import org.apache.hadoop.mapreduce.v2.app.job.Task; |
| import org.apache.hadoop.mapreduce.v2.util.MRApps; |
| |
| @XmlRootElement(name = "jobCounters") |
| @XmlAccessorType(XmlAccessType.FIELD) |
| public class JobCounterInfo { |
| |
| @XmlTransient |
| protected Counters total = null; |
| @XmlTransient |
| protected Counters map = null; |
| @XmlTransient |
| protected Counters reduce = null; |
| |
| protected String id; |
| protected ArrayList<CounterGroupInfo> counterGroup; |
| |
| public JobCounterInfo() { |
| } |
| |
| public JobCounterInfo(AppContext ctx, Job job) { |
| getCounters(ctx, job); |
| counterGroup = new ArrayList<CounterGroupInfo>(); |
| this.id = MRApps.toString(job.getID()); |
| |
| if (total != null) { |
| for (CounterGroup g : total) { |
| if (g != null) { |
| CounterGroup mg = map == null ? null : map.getGroup(g.getName()); |
| CounterGroup rg = reduce == null ? null : reduce |
| .getGroup(g.getName()); |
| |
| CounterGroupInfo cginfo = new CounterGroupInfo(g.getName(), g, |
| mg, rg); |
| counterGroup.add(cginfo); |
| } |
| } |
| } |
| } |
| |
| private void getCounters(AppContext ctx, Job job) { |
| total = new Counters(); |
| if (job == null) { |
| return; |
| } |
| map = new Counters(); |
| reduce = new Counters(); |
| // Get all types of counters |
| Map<TaskId, Task> tasks = job.getTasks(); |
| for (Task t : tasks.values()) { |
| Counters counters = t.getCounters(); |
| if (counters == null) { |
| continue; |
| } |
| total.incrAllCounters(counters); |
| switch (t.getType()) { |
| case MAP: |
| map.incrAllCounters(counters); |
| break; |
| case REDUCE: |
| reduce.incrAllCounters(counters); |
| break; |
| } |
| } |
| } |
| |
| } |