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From li...@apache.org
Subject svn commit: r1509362 - in /hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master: master.jsp regionChecker.jsp
Date Thu, 01 Aug 2013 18:18:23 GMT
Author: liyin
Date: Thu Aug  1 18:18:23 2013
New Revision: 1509362

URL: http://svn.apache.org/r1509362
Log:
[HBASE-9105] web ui for regionchecker

Author: ibra

Summary: web ui for region checker

Test Plan: go to http://hbasedev125.ash3.facebook.com:60010/master.jsp and click 'Region Checker'

Reviewers: rshroff, aaiyer

Reviewed By: rshroff

CC: hbase-eng@

Differential Revision: https://phabricator.fb.com/D880146

Task ID: 2130094

Added:
    hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master/regionChecker.jsp
Modified:
    hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master/master.jsp

Modified: hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master/master.jsp
URL: http://svn.apache.org/viewvc/hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master/master.jsp?rev=1509362&r1=1509361&r2=1509362&view=diff
==============================================================================
--- hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master/master.jsp (original)
+++ hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master/master.jsp Thu Aug  1 18:18:23
2013
@@ -39,7 +39,7 @@
 <body>
 <a id="logo" href="http://wiki.apache.org/lucene-hadoop/Hbase"><img src="/static/hbase_logo_med.gif"
alt="HBase Logo" title="HBase Logo" /></a>
 <h1 id="page_title">Master: <%=master.getMasterAddress().getHostname()%>:<%=master.getMasterAddress().getPort()%></h1>
-<p id="links_menu"><a href="/logs/">Local logs</a>, <a href="/stacks">Thread
Dump</a>, <a href="/logLevel">Log Level</a>, <a href="/taskmonitor">Task
Monitor</a>, <a href="/conf">HBase Configuration</a> <a href="assignmentPlan.jsp">HBase
Assignment Plan</a>
+<p id="links_menu"><a href="/logs/">Local logs</a>, <a href="/stacks">Thread
Dump</a>, <a href="/logLevel">Log Level</a>, <a href="/taskmonitor">Task
Monitor</a>, <a href="/conf">HBase Configuration</a> <a href="assignmentPlan.jsp">HBase
Assignment Plan</a> <a href="regionChecker.jsp">Region Checker</a>
 <% if (master.isLoadBalancerDisabled()) { %>
   <div class="warning"> <b><font color="#FF0000"> The load balancer has
been disabled </font></b></div>
 <% } %>

Added: hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master/regionChecker.jsp
URL: http://svn.apache.org/viewvc/hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master/regionChecker.jsp?rev=1509362&view=auto
==============================================================================
--- hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master/regionChecker.jsp (added)
+++ hbase/branches/0.89-fb/src/main/resources/hbase-webapps/master/regionChecker.jsp Thu Aug
 1 18:18:23 2013
@@ -0,0 +1,121 @@
+<%@ page contentType="text/html;charset=UTF-8"
+  import="java.util.*"
+  import="java.text.SimpleDateFormat"
+  import="java.util.Date"
+  import="org.apache.hadoop.conf.Configuration"
+  import="org.apache.hadoop.hbase.util.Bytes"
+  import="org.apache.hadoop.hbase.util.JvmVersion"
+  import="org.apache.hadoop.hbase.util.FSUtils"
+  import="org.apache.hadoop.hbase.master.HMaster"
+  import="org.apache.hadoop.hbase.HConstants"
+  import="org.apache.hadoop.hbase.master.MetaRegion"
+  import="org.apache.hadoop.hbase.client.HBaseAdmin"
+  import="org.apache.hadoop.hbase.HServerInfo"
+  import="org.apache.hadoop.hbase.HServerAddress"
+  import="org.apache.hadoop.hbase.HTableDescriptor"
+  import="org.apache.hadoop.hbase.HColumnDescriptor"
+  import="org.apache.hadoop.hbase.HRegionInfo"
+  import="org.apache.hadoop.hbase.master.RegionPlacement"
+  import="org.apache.hadoop.hbase.master.RegionAssignmentSnapshot"
+  import="org.apache.hadoop.hbase.master.AssignmentPlan"
+  import="org.apache.hadoop.hbase.master.RegionChecker.RegionAvailabilityInfo"
+  import="org.apache.hadoop.hbase.util.Pair"
+%><%
+  HMaster master = (HMaster)getServletContext().getAttribute(HMaster.MASTER);
+
+%><?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+	<head>
+		<meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/>
+		<title>RegionChecker</title>
+		<link rel="stylesheet" type="text/css" href="/static/hbase.css" />
+	</head>
+	<body>
+<%
+		if(!master.getServerManager().getRegionChecker().isEnabled())
+		{
+%>
+			<p>Region Checker is disabled</p>
+<%
+		}
+		else
+		{
+			double lastDayAvailability = master.getServerManager().getRegionChecker().getLastDayAvailability();
+			double lastWeekAvailability = master.getServerManager().getRegionChecker().getLastWeekAvailability();
+%>
+
+			<table>
+				<caption><b>Whole cluster availability information</b></caption>
+				<tr>
+					<td>Last 24 hours availability of whole cluster</td>
+					<td><%=String.format("%.15f", lastDayAvailability)%></td>
+				</tr>
+				<tr>
+					<td>Last 7 days availability of whole cluster</td>
+					<td><%=String.format("%.15f", lastWeekAvailability)%></td>
+				</tr>
+			</table>
+
+<%
+			SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss SSS");
+			Map<String, RegionAvailabilityInfo> detailedDayInfo = master.getServerManager().getRegionChecker().getDetailedLastDayAvailability();
+			Map<String, RegionAvailabilityInfo> detailedWeekInfo = master.getServerManager().getRegionChecker().getDetailedLastWeekAvailability();
+			Set<String> keys = detailedWeekInfo.keySet();
+			List<Pair<RegionAvailabilityInfo, String>> list = new ArrayList<Pair<RegionAvailabilityInfo,
String>> ();
+			for(String key : keys)
+				list.add(new Pair<RegionAvailabilityInfo, String>(detailedDayInfo.get(key), key));
+
+			Comparator<Pair<RegionAvailabilityInfo, String>> comparator = new Comparator<Pair<RegionAvailabilityInfo,String>>()
+			{
+				@Override
+				public int compare(Pair<RegionAvailabilityInfo, String> o1, Pair<RegionAvailabilityInfo,
String> o2)
+				{
+					if(Math.abs(o1.getFirst().getAvailability() - o2.getFirst().getAvailability()) <
1e-9)
+						return 0;
+					else if(o1.getFirst().getAvailability() > o2.getFirst().getAvailability())
+						return -1;
+					else
+						return 1;
+				}
+			};
+
+			Collections.sort(list, comparator);
+			Collections.reverse(list);
+%>
+			<br>
+			<table>
+			<caption><b>Detailed availability information about all regions</b></caption>
+			<tr>
+				<td><b>Region</b></td>
+				<td><b>Last 24 hours availability</b></td>
+				<td><b>Last 7 days availability</b></td>
+				<td><b>Last unassignment interval</b></td>
+				<td><b>Last unassignment interval duration(ms)</b></td>
+				<td><b>Unassigment intervals count for last 24 hours</b></td>
+				<td><b>Unassigment intervals count for last 7 days</b></td>
+			</tr>
+<%
+			for (int i = 0; i < list.size(); i++)
+			{
+				String key = list.get(i).getSecond();
+%>
+				<tr>
+					<td><%=key%></td>
+					<td><%=(detailedDayInfo.containsKey(key)?String.format("%.15f", detailedDayInfo.get(key).getAvailability()):"1.0")%></td>
+					<td><%=(detailedWeekInfo.containsKey(key)?String.format("%.15f", detailedWeekInfo.get(key).getAvailability()):"1.0")%></td>
+					<td><%=(detailedWeekInfo.containsKey(key)?detailedWeekInfo.get(key).getInterval():"")%></td>
+					<td><%=((detailedWeekInfo.containsKey(key) && detailedWeekInfo.get(key).getIntervalsCount()>0)?detailedWeekInfo.get(key).getDuration():"")%></td>
+					<td><%=detailedDayInfo.get(key).getIntervalsCount()%></td>
+					<td><%=detailedWeekInfo.get(key).getIntervalsCount()%></td>
+				</tr>
+<%
+			}
+%>
+			</table>
+<%
+		}
+%>
+	</body>
+</html>



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