hadoop AbfsCounters 源码
haddop AbfsCounters 代码
文件路径：/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsCounters.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.fs.azurebfs.services;
import java.util.Map;
import org.apache.hadoop.classification.VisibleForTesting;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.azurebfs.AbfsStatistic;
import org.apache.hadoop.fs.statistics.DurationTracker;
import org.apache.hadoop.fs.statistics.DurationTrackerFactory;
import org.apache.hadoop.fs.statistics.IOStatisticsSource;
/**
* An interface for Abfs counters.
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
public interface AbfsCounters extends IOStatisticsSource, DurationTrackerFactory {
/**
* Increment a AbfsStatistic by a long value.
*
* @param statistic AbfsStatistic to be incremented.
* @param value the value to increment the statistic by.
*/
void incrementCounter(AbfsStatistic statistic, long value);
/**
* Form a String of the all the statistics and present in an organized manner.
*
* @param prefix the prefix to be set.
* @param separator the separator between the statistic name and value.
* @param suffix the suffix to be used.
* @param all enable all the statistics to be displayed or not.
* @return String of all the statistics and their values.
*/
String formString(String prefix, String separator, String suffix,
boolean all);
/**
* Convert all the statistics into a key-value pair map to be used for
* testing.
*
* @return map with statistic name as key and statistic value as the map
* value.
*/
@VisibleForTesting
Map<String, Long> toMap();
/**
* Start a DurationTracker for a request.
*
* @param key Name of the DurationTracker statistic.
* @return an instance of DurationTracker.
*/
@Override
DurationTracker trackDuration(String key);
}
相关信息
相关文章
hadoop AbfsClientContextBuilder 源码
hadoop AbfsClientRenameResult 源码
hadoop AbfsClientThrottlingAnalyzer 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦