| /** |
| * 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.util; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.hadoop.mapreduce.Counter; |
| import org.apache.hadoop.mapreduce.CounterGroup; |
| import org.apache.hadoop.mapreduce.Counters; |
| import org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric; |
| import org.codehaus.jackson.JsonNode; |
| import org.codehaus.jackson.map.ObjectMapper; |
| import org.codehaus.jackson.node.ArrayNode; |
| import org.codehaus.jackson.node.ObjectNode; |
| |
| /** |
| * Class containing utility methods to be used by JobHistoryEventHandler. |
| */ |
| public final class JobHistoryEventUtils { |
| private JobHistoryEventUtils() { |
| } |
| |
| // Number of bytes of config which can be published in one shot to ATSv2. |
| public static final int ATS_CONFIG_PUBLISH_SIZE_BYTES = 10 * 1024; |
| |
| public static JsonNode countersToJSON(Counters counters) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ArrayNode nodes = mapper.createArrayNode(); |
| if (counters != null) { |
| for (CounterGroup counterGroup : counters) { |
| ObjectNode groupNode = nodes.addObject(); |
| groupNode.put("NAME", counterGroup.getName()); |
| groupNode.put("DISPLAY_NAME", counterGroup.getDisplayName()); |
| ArrayNode countersNode = groupNode.putArray("COUNTERS"); |
| for (Counter counter : counterGroup) { |
| ObjectNode counterNode = countersNode.addObject(); |
| counterNode.put("NAME", counter.getName()); |
| counterNode.put("DISPLAY_NAME", counter.getDisplayName()); |
| counterNode.put("VALUE", counter.getValue()); |
| } |
| } |
| } |
| return nodes; |
| } |
| |
| public static Set<TimelineMetric> countersToTimelineMetric(Counters counters, |
| long timestamp) { |
| return countersToTimelineMetric(counters, timestamp, ""); |
| } |
| |
| public static Set<TimelineMetric> countersToTimelineMetric(Counters counters, |
| long timestamp, String groupNamePrefix) { |
| Set<TimelineMetric> entityMetrics = new HashSet<TimelineMetric>(); |
| for (CounterGroup g : counters) { |
| String groupName = g.getName(); |
| for (Counter c : g) { |
| String name = groupNamePrefix + groupName + ":" + c.getName(); |
| TimelineMetric metric = new TimelineMetric(); |
| metric.setId(name); |
| metric.addValue(timestamp, c.getValue()); |
| entityMetrics.add(metric); |
| } |
| } |
| return entityMetrics; |
| } |
| |
| } |