hadoop TTConfig 源码
haddop TTConfig 代码
文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/server/tasktracker/TTConfig.java
/**
* 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.server.tasktracker;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.mapreduce.MRConfig;
/**
* Place holder for MapReduce server-level configuration.
* (formerly TaskTracker configuration)
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public interface TTConfig extends MRConfig {
public static final String TT_INDEX_CACHE =
"mapreduce.tasktracker.indexcache.mb";
public static final String TT_MAP_SLOTS =
"mapreduce.tasktracker.map.tasks.maximum";
public static final String TT_RESOURCE_CALCULATOR_PLUGIN =
"mapreduce.tasktracker.resourcecalculatorplugin";
}
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