| /* |
| * 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.mapred; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.metrics2.MetricsSystem; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| |
| class JobTrackerInstrumentation { |
| private static final Log LOG = |
| LogFactory.getLog(JobTrackerInstrumentation.class); |
| |
| protected final JobTracker tracker; |
| |
| public JobTrackerInstrumentation(JobTracker jt, JobConf conf) { |
| tracker = jt; |
| } |
| |
| public void launchMap(TaskAttemptID taskAttemptID) |
| { } |
| |
| public void completeMap(TaskAttemptID taskAttemptID) |
| { } |
| |
| public void failedMap(TaskAttemptID taskAttemptID) |
| { } |
| |
| public void launchReduce(TaskAttemptID taskAttemptID) |
| { } |
| |
| public void completeReduce(TaskAttemptID taskAttemptID) |
| { } |
| |
| public void failedReduce(TaskAttemptID taskAttemptID) |
| { } |
| |
| public void submitJob(JobConf conf, JobID id) |
| { } |
| |
| public void completeJob(JobConf conf, JobID id) |
| { } |
| |
| public void terminateJob(JobConf conf, JobID id) |
| { } |
| |
| public void finalizeJob(JobConf conf, JobID id) |
| { } |
| |
| public void addWaitingMaps(JobID id, int task) |
| { } |
| |
| public void decWaitingMaps(JobID id, int task) |
| { } |
| |
| public void addWaitingReduces(JobID id, int task) |
| { } |
| |
| public void decWaitingReduces(JobID id, int task) |
| { } |
| |
| public void setMapSlots(int slots) |
| { } |
| |
| public void setReduceSlots(int slots) |
| { } |
| |
| public void addBlackListedMapSlots(int slots) |
| { } |
| |
| public void decBlackListedMapSlots(int slots) |
| { } |
| |
| public void addBlackListedReduceSlots(int slots) |
| { } |
| |
| public void decBlackListedReduceSlots(int slots) |
| { } |
| |
| public void addReservedMapSlots(int slots) |
| { } |
| |
| public void decReservedMapSlots(int slots) |
| { } |
| |
| public void addReservedReduceSlots(int slots) |
| { } |
| |
| public void decReservedReduceSlots(int slots) |
| { } |
| |
| public void addOccupiedMapSlots(int slots) |
| { } |
| |
| public void decOccupiedMapSlots(int slots) |
| { } |
| |
| public void addOccupiedReduceSlots(int slots) |
| { } |
| |
| public void decOccupiedReduceSlots(int slots) |
| { } |
| |
| public void failedJob(JobConf conf, JobID id) |
| { } |
| |
| public void killedJob(JobConf conf, JobID id) |
| { } |
| |
| public void addPrepJob(JobConf conf, JobID id) |
| { } |
| |
| public void decPrepJob(JobConf conf, JobID id) |
| { } |
| |
| public void addRunningJob(JobConf conf, JobID id) |
| { } |
| |
| public void decRunningJob(JobConf conf, JobID id) |
| { } |
| |
| public void addRunningMaps(int tasks) |
| { } |
| |
| public void decRunningMaps(int tasks) |
| { } |
| |
| public void addRunningReduces(int tasks) |
| { } |
| |
| public void decRunningReduces(int tasks) |
| { } |
| |
| public void killedMap(TaskAttemptID taskAttemptID) |
| { } |
| |
| public void killedReduce(TaskAttemptID taskAttemptID) |
| { } |
| |
| public void addTrackers(int trackers) |
| { } |
| |
| public void decTrackers(int trackers) |
| { } |
| |
| public void addBlackListedTrackers(int trackers) |
| { } |
| |
| public void decBlackListedTrackers(int trackers) |
| { } |
| |
| public void addGrayListedTrackers(int trackers) |
| { } |
| |
| public void decGrayListedTrackers(int trackers) |
| { } |
| |
| public void setDecommissionedTrackers(int trackers) |
| { } |
| |
| public void heartbeat() { |
| } |
| |
| static JobTrackerInstrumentation create(JobTracker jt, JobConf conf) { |
| return create(jt, conf, DefaultMetricsSystem.INSTANCE); |
| } |
| |
| static JobTrackerInstrumentation create(JobTracker jt, JobConf conf, |
| MetricsSystem ms) { |
| return ms.register("JobTrackerMetrics", "JobTracker metrics", |
| new JobTrackerMetricsSource(jt, conf)); |
| } |
| |
| } |