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HBASE-2430 Disable frag display in trunk, let HBASE-2165 replace it 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@934237 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Lars George 2010-04-14 23:06:45 +00:00
parent 40c45392b3
commit 27d8d69932
3 changed files with 62 additions and 29 deletions
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1
CHANGES.txt
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@ -505,6 +505,7 @@ Release 0.21.0 - Unreleased
(Kay Kay via Stack)
HBASE-2440 Master UI should check against known bad JDK versions and
warn the user (Todd Lipcon via Stack)
HBASE-2430 Disable frag display in trunk, let HBASE-2165 replace it
NEW FEATURES
HBASE-1961 HBase EC2 scripts

59
core/src/main/resources/webapps/master/master.jsp
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@ -1,20 +1,14 @@
<%@ page contentType="text/html;charset=UTF-8"
import="java.util.*"
import="java.net.URLEncoder"
import="org.apache.hadoop.conf.Configuration"
import="org.apache.hadoop.io.Text"
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.io.ImmutableBytesWritable"
import="org.apache.hadoop.hbase.HServerInfo"
import="org.apache.hadoop.hbase.HServerAddress"
import="org.apache.hadoop.hbase.HBaseConfiguration"
import="org.apache.hadoop.hbase.HColumnDescriptor"
import="org.apache.hadoop.hbase.HTableDescriptor" %><%
HMaster master = (HMaster)getServletContext().getAttribute(HMaster.MASTER);
Configuration conf = master.getConfiguration();
@ -26,7 +20,11 @@
if (interval == 0) {
interval = 1;
}
Map<String, Integer> frags = master.getTableFragmentation();
boolean showFragmentation = conf.getBoolean("hbase.master.ui.fragmentation.enabled", false);
Map<String, Integer> frags = null;
if (showFragmentation) {
frags = master.getTableFragmentation();
}
%><?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">
@ -61,7 +59,9 @@
<tr><td>HBase Root Directory</td><td><%= master.getRootDir().toString() %></td><td>Location of HBase home directory</td></tr>
<tr><td>Load average</td><td><%= master.getServerManager().getAverageLoad() %></td><td>Average number of regions per regionserver. Naive computation.</td></tr>
<tr><td>Regions On FS</td><td><%= master.getRegionManager().countRegionsOnFS() %></td><td>Number of regions on FileSystem. Rough count.</td></tr>
<tr><td>Fragmentation</td><td><%= frags.get("-TOTAL-") != null ? frags.get("-TOTAL-").intValue() + "%" : "n/a" %></td><td>Overall fragmentation of all tables, including .META. and -ROOT-.</td></tr>
<% if (showFragmentation) { %>
<tr><td>Fragmentation</td><td><%= frags.get("-TOTAL-") != null ? frags.get("-TOTAL-").intValue() + "%" : "n/a" %></td><td>Overall fragmentation of all tables, including .META. and -ROOT-.</td></tr>
<% } %>
<tr><td>Zookeeper Quorum</td><td><%= master.getZooKeeperWrapper().getQuorumServers() %></td><td>Addresses of all registered ZK servers. For more, see <a href="/zk.jsp">zk dump</a>.</td></tr>
</table>
@ -69,16 +69,28 @@
<%
if (rootLocation != null) { %>
<table>
<tr><th>Table</th><th title="Fragmentation - Will be 0% after a major compaction and fluctuate during normal usage.">Frag.</th><th>Description</th></tr>
<tr><td><a href="/table.jsp?name=<%= Bytes.toString(HConstants.ROOT_TABLE_NAME) %>"><%= Bytes.toString(HConstants.ROOT_TABLE_NAME) %></a></td>
<td align="center"><%= frags.get("-ROOT-") != null ? frags.get("-ROOT-").intValue() + "%" : "n/a" %></td>
<td>The -ROOT- table holds references to all .META. regions.</td>
<tr>
<th>Table</th>
<% if (showFragmentation) { %>
<th title="Fragmentation - Will be 0% after a major compaction and fluctuate during normal usage.">Frag.</th>
<% } %>
<th>Description</th>
</tr>
<tr>
<td><a href="/table.jsp?name=<%= Bytes.toString(HConstants.ROOT_TABLE_NAME) %>"><%= Bytes.toString(HConstants.ROOT_TABLE_NAME) %></a></td>
<% if (showFragmentation) { %>
<td align="center"><%= frags.get("-ROOT-") != null ? frags.get("-ROOT-").intValue() + "%" : "n/a" %></td>
<% } %>
<td>The -ROOT- table holds references to all .META. regions.</td>
</tr>
<%
if (onlineRegions != null && onlineRegions.size() > 0) { %>
<tr><td><a href="/table.jsp?name=<%= Bytes.toString(HConstants.META_TABLE_NAME) %>"><%= Bytes.toString(HConstants.META_TABLE_NAME) %></a></td>
<td align="center"><%= frags.get(".META.") != null ? frags.get(".META.").intValue() + "%" : "n/a" %></td>
<td>The .META. table holds references to all User Table regions</td>
<tr>
<td><a href="/table.jsp?name=<%= Bytes.toString(HConstants.META_TABLE_NAME) %>"><%= Bytes.toString(HConstants.META_TABLE_NAME) %></a></td>
<% if (showFragmentation) { %>
<td align="center"><%= frags.get(".META.") != null ? frags.get(".META.").intValue() + "%" : "n/a" %></td>
<% } %>
<td>The .META. table holds references to all User Table regions</td>
</tr>
<% } %>
@ -89,11 +101,20 @@
<% HTableDescriptor[] tables = new HBaseAdmin(conf).listTables();
if(tables != null && tables.length > 0) { %>
<table>
<tr><th>Table</th><th title="Fragmentation - Will be 0% after a major compaction and fluctuate during normal usage.">Frag.</th><th>Description</th></tr>
<tr>
<th>Table</th>
<% if (showFragmentation) { %>
<th title="Fragmentation - Will be 0% after a major compaction and fluctuate during normal usage.">Frag.</th>
<% } %>
<th>Description</th>
</tr>
<% for(HTableDescriptor htDesc : tables ) { %>
<tr><td><a href=/table.jsp?name=<%= htDesc.getNameAsString() %>><%= htDesc.getNameAsString() %></a> </td>
<td align="center"><%= frags.get(htDesc.getNameAsString()) != null ? frags.get(htDesc.getNameAsString()).intValue() + "%" : "n/a" %></td>
<td><%= htDesc.toString() %></td>
<tr>
<td><a href=/table.jsp?name=<%= htDesc.getNameAsString() %>><%= htDesc.getNameAsString() %></a> </td>
<% if (showFragmentation) { %>
<td align="center"><%= frags.get(htDesc.getNameAsString()) != null ? frags.get(htDesc.getNameAsString()).intValue() + "%" : "n/a" %></td>
<% } %>
<td><%= htDesc.toString() %></td>
</tr>
<% } %>

31
core/src/main/resources/webapps/master/table.jsp
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@ -1,22 +1,16 @@
<%@ page contentType="text/html;charset=UTF-8"
import="java.io.IOException"
import="java.util.Map"
import="java.net.URLEncoder"
import="org.apache.hadoop.io.Text"
import="org.apache.hadoop.io.Writable"
import="org.apache.hadoop.conf.Configuration"
import="org.apache.hadoop.hbase.HTableDescriptor"
import="org.apache.hadoop.hbase.client.HTable"
import="org.apache.hadoop.hbase.client.HBaseAdmin"
import="org.apache.hadoop.hbase.HRegionInfo"
import="org.apache.hadoop.hbase.HServerAddress"
import="org.apache.hadoop.hbase.HServerInfo"
import="org.apache.hadoop.hbase.HBaseConfiguration"
import="org.apache.hadoop.hbase.io.ImmutableBytesWritable"
import="org.apache.hadoop.hbase.master.HMaster"
import="org.apache.hadoop.hbase.master.MetaRegion"
import="org.apache.hadoop.hbase.util.Bytes"
import="java.io.IOException"
import="java.util.Map"
import="org.apache.hadoop.hbase.HConstants"%><%
HMaster master = (HMaster)getServletContext().getAttribute(HMaster.MASTER);
@ -28,7 +22,11 @@
master.getServerManager().getServerAddressToServerInfo();
String tableHeader = "<h2>Table Regions</h2><table><tr><th>Name</th><th>Region Server</th><th>Encoded Name</th><th>Start Key</th><th>End Key</th></tr>";
HServerAddress rootLocation = master.getRegionManager().getRootRegionLocation();
Map<String, Integer> frags = master.getTableFragmentation();
boolean showFragmentation = conf.getBoolean("hbase.master.ui.fragmentation.enabled", false);
Map<String, Integer> frags = null;
if (showFragmentation) {
frags = master.getTableFragmentation();
}
%>
<?xml version="1.0" encoding="UTF-8" ?>
@ -120,9 +118,22 @@
try { %>
<h2>Table Attributes</h2>
<table>
<tr><th>Attribute Name</th><th>Value</th><th>Description</th></tr>
<tr><td>Enabled</td><td><%= hbadmin.isTableEnabled(table.getTableName()) %></td><td>Is the table enabled</td></tr>
<tr><td>Fragmentation</td><td><%= frags.get(tableName) != null ? frags.get(tableName).intValue() + "%" : "n/a" %></td><td>How fragmented is the table. After a major compaction it is 0%.</td></tr>
<tr>
<th>Attribute Name</th>
<th>Value</th>
<th>Description</th></tr>
<tr>
<td>Enabled</td>
<td><%= hbadmin.isTableEnabled(table.getTableName()) %></td>
<td>Is the table enabled</td>
</tr>
<% if (showFragmentation) { %>
<tr>
<td>Fragmentation</td>
<td><%= frags.get(tableName) != null ? frags.get(tableName).intValue() + "%" : "n/a" %></td>
<td>How fragmented is the table. After a major compaction it is 0%.</td>
</tr>
<% } %>
</table>
<%
Map<HRegionInfo, HServerAddress> regions = table.getRegionsInfo();