hadoop StorageReport 源码
haddop StorageReport 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/protocol/StorageReport.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.protocol;
/**
* Utilization report for a Datanode storage
*/
public class StorageReport {
private final DatanodeStorage storage;
private final boolean failed;
private final long capacity;
private final long dfsUsed;
private final long nonDfsUsed;
private final long remaining;
private final long blockPoolUsed;
private final float blockPoolUsagePercent;
private final String mount;
public static final StorageReport[] EMPTY_ARRAY = {};
public StorageReport(DatanodeStorage storage, boolean failed, long capacity,
long dfsUsed, long remaining, long bpUsed, long nonDfsUsed) {
this(storage, failed, capacity, dfsUsed,
remaining, bpUsed, nonDfsUsed, "");
}
public StorageReport(DatanodeStorage storage, boolean failed, long capacity,
long dfsUsed, long remaining, long bpUsed,
long nonDfsUsed, String mount) {
this.storage = storage;
this.failed = failed;
this.capacity = capacity;
this.dfsUsed = dfsUsed;
this.nonDfsUsed = nonDfsUsed;
this.remaining = remaining;
this.blockPoolUsed = bpUsed;
this.blockPoolUsagePercent = capacity <= 0 ? 0.0f :
(bpUsed * 100.0f) / capacity;
this.mount = mount;
}
public DatanodeStorage getStorage() {
return storage;
}
public boolean isFailed() {
return failed;
}
public long getCapacity() {
return capacity;
}
public long getDfsUsed() {
return dfsUsed;
}
public long getNonDfsUsed() {
return nonDfsUsed;
}
public long getRemaining() {
return remaining;
}
public long getBlockPoolUsed() {
return blockPoolUsed;
}
public String getMount() {
return mount;
}
public float getBlockPoolUsagePercent() {
return blockPoolUsagePercent;
}
}
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