| /** |
| * 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.hadoop.conf.Configuration; |
| |
| /** |
| * Job submission policies. The set of policies is closed and encapsulated in |
| * {@link SimulatorJobSubmissionPolicy}. The handling of submission policies is |
| * embedded in the {@link SimulatorEngine} (through various events). |
| * |
| */ |
| public enum SimulatorJobSubmissionPolicy { |
| /** |
| * replay the trace by following the job inter-arrival rate faithfully. |
| */ |
| REPLAY, |
| |
| /** |
| * ignore submission time, keep submitting jobs until the cluster is saturated. |
| */ |
| STRESS, |
| |
| /** |
| * submitting jobs sequentially. |
| */ |
| SERIAL; |
| |
| public static final String JOB_SUBMISSION_POLICY = "mumak.job-submission.policy"; |
| |
| static public SimulatorJobSubmissionPolicy getPolicy(Configuration conf) { |
| String policy = conf.get(JOB_SUBMISSION_POLICY, REPLAY.name()); |
| return valueOf(policy.toUpperCase()); |
| } |
| } |