| /** |
| * 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; |
| |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public interface MRConstants { |
| |
| public static final String YARN_MR_PREFIX = "yarn.mapreduce.job."; |
| |
| // This should be the directory where splits file gets localized on the node |
| // running ApplicationMaster. |
| public static final String JOB_SUBMIT_DIR = "jobSubmitDir"; |
| |
| // This should be the name of the localized job-configuration file on the node |
| // running ApplicationMaster and Task |
| public static final String JOB_CONF_FILE = "job.xml"; |
| // This should be the name of the localized job-jar file on the node running |
| // individual containers/tasks. |
| public static final String JOB_JAR = "job.jar"; |
| |
| public static final String HADOOP_MAPREDUCE_CLIENT_APP_JAR_NAME = |
| "hadoop-mapreduce-client-app-1.0-SNAPSHOT.jar"; |
| |
| public static final String YARN_MAPREDUCE_APP_JAR_PATH = |
| "$YARN_HOME/modules/" + HADOOP_MAPREDUCE_CLIENT_APP_JAR_NAME; |
| |
| public static final String APPS_STAGING_DIR_KEY = "yarn.apps.stagingDir"; |
| |
| // The token file for the application. Should contain tokens for access to |
| // remote file system and may optionally contain application specific tokens. |
| // For now, generated by the AppManagers and used by NodeManagers and the |
| // Containers. |
| public static final String APPLICATION_TOKENS_FILE = "appTokens"; |
| } |
