| /* |
| * 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.giraph.counters; |
| |
| import org.apache.hadoop.mapreduce.Mapper.Context; |
| |
| import com.google.common.collect.Iterators; |
| import com.google.common.collect.Maps; |
| |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| /** |
| * Hadoop Counters in group "Giraph Timers" for timing things. |
| */ |
| public class GiraphTimers extends HadoopCountersBase { |
| /** Counter group name for the giraph timers */ |
| public static final String GROUP_NAME = "Giraph Timers"; |
| /** Counter name for setup msec */ |
| public static final String SETUP_MS_NAME = "Setup (ms)"; |
| /** Counter name for total msec */ |
| public static final String TOTAL_MS_NAME = "Total (ms)"; |
| /** Counter name for shutdown msec */ |
| public static final String SHUTDOWN_MS_NAME = "Shutdown (ms)"; |
| /** Counter name for initialize msec */ |
| public static final String INITIALIZE_MS_NAME = "Initialize (ms)"; |
| |
| /** Singleton instance for everyone to use */ |
| private static GiraphTimers INSTANCE; |
| |
| /** Setup time in msec */ |
| private static final int SETUP_MS = 0; |
| /** Total time in msec (doesn't include initialize time) */ |
| private static final int TOTAL_MS = 1; |
| /** Shutdown time in msec */ |
| private static final int SHUTDOWN_MS = 2; |
| /** Total time it takes to get minimum machines */ |
| private static final int INITIALIZE_MS = 3; |
| /** How many whole job counters we have */ |
| private static final int NUM_COUNTERS = 4; |
| |
| /** superstep time in msec */ |
| private final Map<Long, GiraphHadoopCounter> superstepMsec; |
| |
| /** Whole job counters stored in this class */ |
| private final GiraphHadoopCounter[] jobCounters; |
| |
| /** |
| * Internal use only. Create using Hadoop Context |
| * |
| * @param context Hadoop Context to use. |
| */ |
| private GiraphTimers(Context context) { |
| super(context, GROUP_NAME); |
| jobCounters = new GiraphHadoopCounter[NUM_COUNTERS]; |
| jobCounters[SETUP_MS] = getCounter(SETUP_MS_NAME); |
| jobCounters[TOTAL_MS] = getCounter(TOTAL_MS_NAME); |
| jobCounters[SHUTDOWN_MS] = getCounter(SHUTDOWN_MS_NAME); |
| jobCounters[INITIALIZE_MS] = getCounter(INITIALIZE_MS_NAME); |
| superstepMsec = Maps.newHashMap(); |
| } |
| |
| /** |
| * Instantiate with Hadoop Context. |
| * |
| * @param context Hadoop Context to use. |
| */ |
| public static void init(Context context) { |
| INSTANCE = new GiraphTimers(context); |
| } |
| |
| /** |
| * Get singleton instance. |
| * |
| * @return singleton GiraphTimers instance. |
| */ |
| public static GiraphTimers getInstance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Get counter for setup time in milliseconds |
| * |
| * @return Counter for setup time in milliseconds |
| */ |
| public GiraphHadoopCounter getSetupMs() { |
| return jobCounters[SETUP_MS]; |
| } |
| |
| /** |
| * Get counter for superstep time in milliseconds |
| * |
| * @param superstep Integer superstep number. |
| * @param computationName Name of the computation for display (may be null) |
| * @return Counter for setup time in milliseconds |
| */ |
| public GiraphHadoopCounter getSuperstepMs(long superstep, |
| String computationName) { |
| GiraphHadoopCounter counter = superstepMsec.get(superstep); |
| if (counter == null) { |
| String counterPrefix; |
| if (superstep == -1) { |
| counterPrefix = "Input superstep"; |
| } else { |
| counterPrefix = "Superstep " + superstep + |
| (computationName == null ? "" : " " + computationName); |
| } |
| counter = getCounter(counterPrefix + " (ms)"); |
| superstepMsec.put(superstep, counter); |
| } |
| return counter; |
| } |
| |
| /** |
| * Get counter for total time in milliseconds (doesn't include initialize |
| * time). |
| * |
| * @return Counter for total time in milliseconds. |
| */ |
| public GiraphHadoopCounter getTotalMs() { |
| return jobCounters[TOTAL_MS]; |
| } |
| |
| /** |
| * Get counter for shutdown time in milliseconds. |
| * |
| * @return Counter for shutdown time in milliseconds. |
| */ |
| public GiraphHadoopCounter getShutdownMs() { |
| return jobCounters[SHUTDOWN_MS]; |
| } |
| |
| /** |
| * Get counter for initializing the process, |
| * having to wait for a minimum number of processes to be available |
| * before setup step |
| * @return Counter for initializing in milliseconds |
| */ |
| public GiraphHadoopCounter getInitializeMs() { |
| return jobCounters[INITIALIZE_MS]; |
| } |
| |
| /** |
| * Get map of superstep to msec counter. |
| * |
| * @return mapping of superstep to msec counter. |
| */ |
| public Map<Long, GiraphHadoopCounter> superstepCounters() { |
| return superstepMsec; |
| } |
| |
| /** |
| * Get Iterable through job counters. |
| * |
| * @return Iterable of job counters. |
| */ |
| public Iterable<GiraphHadoopCounter> jobCounters() { |
| return Arrays.asList(jobCounters); |
| } |
| |
| @Override |
| public Iterator<GiraphHadoopCounter> iterator() { |
| return Iterators.concat(jobCounters().iterator(), |
| superstepCounters().values().iterator()); |
| } |
| } |