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/**
* 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;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
/**
* Used to describe the priority of the running job.
* DEFAULT : While submitting a job, if the user is not specifying priority,
* YARN has the capability to pick the default priority as per its config.
* Hence MapReduce can indicate such cases with this new enum.
* UNDEFINED_PRIORITY : YARN supports priority as an integer. Hence other than
* the five defined enums, YARN can consider other integers also. To generalize
* such cases, this specific enum is used.
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public enum JobPriority {
VERY_HIGH,
HIGH,
NORMAL,
LOW,
VERY_LOW,
DEFAULT,
UNDEFINED_PRIORITY;
}