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R3704/hadoop-2.3.0-src/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/datanode/dataNodeHome.jsp
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dataNodeHome.jsp
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<%
/*
* 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 import="org.apache.hadoop.hdfs.tools.GetConf"%>
<%@page import="org.apache.hadoop.hdfs.server.datanode.DatanodeJspHelper"%>
<%@page import="org.apache.hadoop.hdfs.server.datanode.DataNode"%>
<%@ page
contentType="text/html; charset=UTF-8"
import="org.apache.hadoop.util.ServletUtil"
%>
<%!
//for java.io.Serializable
private static final long serialVersionUID = 1L;
%>
<%
DataNode dataNode = (DataNode)getServletContext().getAttribute("datanode");
String state = dataNode.isDatanodeUp()?"active":"inactive";
String dataNodeLabel = dataNode.getDisplayName();
%>
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="/static/hadoop.css">
<title>Hadoop DataNode&nbsp;<%=dataNodeLabel%></title>
</head>
<body>
<h1>DataNode '<%=dataNodeLabel%>' (<%=state%>)</h1>
<%= DatanodeJspHelper.getVersionTable(getServletContext()) %>
<br />
<b><a href="/logs/">DataNode Logs</a></b>
<br />
<b><a href="/logLevel">View/Set Log Level</a></b>
<br />
<b><a href="/metrics">Metrics</a></b>
<br />
<b><a href="/conf">Configuration</a></b>
<br />
<b><a href="/blockScannerReport">Block Scanner Report</a></b>
<%
out.println(ServletUtil.htmlFooter());
%>
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