hadoop PhaseTracking 源码
haddop PhaseTracking 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/PhaseTracking.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.hdfs.server.namenode.startupprogress;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.apache.hadoop.classification.InterfaceAudience;
/**
* Internal data structure used to track progress of a {@link Phase}.
*/
@InterfaceAudience.Private
final class PhaseTracking extends AbstractTracking {
String file;
long size = Long.MIN_VALUE;
final ConcurrentMap<Step, StepTracking> steps =
new ConcurrentHashMap<Step, StepTracking>();
@Override
public PhaseTracking clone() {
PhaseTracking clone = new PhaseTracking();
super.copy(clone);
clone.file = file;
clone.size = size;
for (Map.Entry<Step, StepTracking> entry: steps.entrySet()) {
clone.steps.put(entry.getKey(), entry.getValue().clone());
}
return clone;
}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
6、 golang
-
7、 openharmony