MRConfig.java example

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/**
 * This software is licensed to you under the Apache License, Version 2.0 (the
 * "Apache License").
 *
 * LinkedIn's contributions are made under the Apache License. If you contribute
 * to the Software, the contributions will be deemed to have been made under the
 * Apache License, unless you expressly indicate otherwise. Please do not make any
 * contributions that would be inconsistent with the Apache License.
 *
 * You may obtain a copy of the Apache License at http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, this software
 * distributed under the Apache License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Apache
 * License for the specific language governing permissions and limitations for the
 * software governed under the Apache License.
 *
 * © 2012 LinkedIn Corp. All Rights Reserved.  
 */
package com.senseidb.indexing.hadoop.util;


public interface MRConfig {

  // Cluster-level configuration parameters
  public static final String TEMP_DIR = "mapreduce.cluster.temp.dir";
  public static final String LOCAL_DIR = "mapreduce.cluster.local.dir";
  public static final String MAPMEMORY_MB = "mapreduce.cluster.mapmemory.mb";
  public static final String REDUCEMEMORY_MB = 
    "mapreduce.cluster.reducememory.mb";
  public static final String MR_ACLS_ENABLED = "mapreduce.cluster.acls.enabled";
  public static final String MR_ADMINS =
    "mapreduce.cluster.administrators";
  @Deprecated
  public static final String MR_SUPERGROUP =
    "mapreduce.cluster.permissions.supergroup";

  //Delegation token related keys
  public static final String  DELEGATION_KEY_UPDATE_INTERVAL_KEY = 
    "mapreduce.cluster.delegation.key.update-interval";
  public static final long    DELEGATION_KEY_UPDATE_INTERVAL_DEFAULT = 
    24*60*60*1000; // 1 day
  public static final String  DELEGATION_TOKEN_RENEW_INTERVAL_KEY = 
    "mapreduce.cluster.delegation.token.renew-interval";
  public static final long    DELEGATION_TOKEN_RENEW_INTERVAL_DEFAULT = 
    24*60*60*1000;  // 1 day
  public static final String  DELEGATION_TOKEN_MAX_LIFETIME_KEY = 
    "mapreduce.cluster.delegation.token.max-lifetime";
  public static final long    DELEGATION_TOKEN_MAX_LIFETIME_DEFAULT = 
    7*24*60*60*1000; // 7 days
  
  public static final String FRAMEWORK_NAME  = "mapreduce.framework.name";
  public static final String TASK_LOCAL_OUTPUT_CLASS =
  "mapreduce.task.local.output.class";
}