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R3704/hadoop-2.3.0-src/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfsclusterhealth.jsp
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dfsclusterhealth.jsp
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<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="dfsclusterhealth.xsl"?>
<%!
/*
* 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.
*/
%>
<%@ page
contentType="application/xml"
import="org.apache.hadoop.util.ServletUtil"
import="org.apache.hadoop.hdfs.server.namenode.ClusterJspHelper.ClusterStatus"
import="java.util.List"
import="org.znerd.xmlenc.*"
%>
<%!
//for java.io.Serializable
private static final long serialVersionUID = 1L;
%>
<%
/**
* This JSP page provides cluster summary in XML format. It lists information
* such as total files and blocks, total capacity, total used/freed spaces,etc.
* accorss cluster reported by all name nodes.
* It also lists information such as used space per name node.
*/
final ClusterJspHelper clusterhealthjsp = new ClusterJspHelper();
ClusterStatus cInfo = clusterhealthjsp.generateClusterHealthReport();
XMLOutputter doc = new XMLOutputter(out, "UTF-8");
cInfo.toXML(doc);
%>
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