hadoop JobCounter 源码
haddop JobCounter 代码
文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/JobCounter.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;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
// Per-job counters
@InterfaceAudience.Public
@InterfaceStability.Evolving
public enum JobCounter {
NUM_FAILED_MAPS,
NUM_FAILED_REDUCES,
NUM_KILLED_MAPS,
NUM_KILLED_REDUCES,
TOTAL_LAUNCHED_MAPS,
TOTAL_LAUNCHED_REDUCES,
OTHER_LOCAL_MAPS,
DATA_LOCAL_MAPS,
RACK_LOCAL_MAPS,
@Deprecated
SLOTS_MILLIS_MAPS,
@Deprecated
SLOTS_MILLIS_REDUCES,
@Deprecated
FALLOW_SLOTS_MILLIS_MAPS,
@Deprecated
FALLOW_SLOTS_MILLIS_REDUCES,
TOTAL_LAUNCHED_UBERTASKS,
NUM_UBER_SUBMAPS,
NUM_UBER_SUBREDUCES,
NUM_FAILED_UBERTASKS,
TASKS_REQ_PREEMPT,
CHECKPOINTS,
CHECKPOINT_BYTES,
CHECKPOINT_TIME,
MILLIS_MAPS,
MILLIS_REDUCES,
VCORES_MILLIS_MAPS,
VCORES_MILLIS_REDUCES,
MB_MILLIS_MAPS,
MB_MILLIS_REDUCES
}
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