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HBASE-3704 Show per region request count in table.jsp 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1087954 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2011-04-02 01:37:41 +00:00
parent 9bf60eb011
commit 355cddcd0b
2 changed files with 28 additions and 2 deletions
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2
CHANGES.txt
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@ -122,6 +122,8 @@ Release 0.91.0 - Unreleased
HBASE-3684 Support column range filter (Jerry Chen via Stack)
HBASE-3647 Distinguish read and write request count in region
(Ted Yu via Stack)
HBASE-3704 Show per region request count in table.jsp
(Ted Yu via Stack)
TASK
HBASE-3559 Move report of split to master OFF the heartbeat channel

28
src/main/resources/hbase-webapps/master/table.jsp
View File

@ -1,5 +1,5 @@
<%@ page contentType="text/html;charset=UTF-8"
import="java.util.Map"
import="java.util.HashMap"
import="org.apache.hadoop.io.Writable"
import="org.apache.hadoop.conf.Configuration"
import="org.apache.hadoop.hbase.client.HTable"
@ -7,6 +7,8 @@
import="org.apache.hadoop.hbase.HRegionInfo"
import="org.apache.hadoop.hbase.HServerAddress"
import="org.apache.hadoop.hbase.HServerInfo"
import="org.apache.hadoop.hbase.HServerLoad"
import="org.apache.hadoop.hbase.HServerLoad.RegionLoad"
import="org.apache.hadoop.hbase.io.ImmutableBytesWritable"
import="org.apache.hadoop.hbase.master.HMaster"
import="org.apache.hadoop.hbase.util.Bytes"
@ -18,7 +20,7 @@
HBaseAdmin hbadmin = new HBaseAdmin(conf);
String tableName = request.getParameter("name");
HTable table = new HTable(conf, tableName);
String tableHeader = "<h2>Table Regions</h2><table><tr><th>Name</th><th>Region Server</th><th>Start Key</th><th>End Key</th></tr>";
String tableHeader = "<h2>Table Regions</h2><table><tr><th>Name</th><th>Region Server</th><th>Start Key</th><th>End Key</th><th>Requests</th></tr>";
HServerAddress rl = master.getCatalogTracker().getRootLocation();
boolean showFragmentation = conf.getBoolean("hbase.master.ui.fragmentation.enabled", false);
Map<String, Integer> frags = null;
@ -133,6 +135,7 @@
<% } %>
</table>
<%
Map<String, Integer> regDistribution = new HashMap<String, Integer>();
Map<HRegionInfo, HServerAddress> regions = table.getRegionsInfo();
if(regions != null && regions.size() > 0) { %>
<%= tableHeader %>
@ -140,6 +143,7 @@
for(Map.Entry<HRegionInfo, HServerAddress> hriEntry : regions.entrySet()) {
HRegionInfo regionInfo = hriEntry.getKey();
HServerAddress addr = hriEntry.getValue();
long req = 0;
int infoPort = 0;
String urlRegionServer = null;
@ -147,9 +151,17 @@
if (addr != null) {
HServerInfo info = master.getServerManager().getHServerInfo(addr);
if (info != null) {
HServerLoad sl = info.getLoad();
Map<byte[], RegionLoad> map = sl.getRegionsLoad();
if (map.containsKey(regionInfo.getRegionName())) {
req = map.get(regionInfo.getRegionName()).getRequestsCount();
}
infoPort = info.getInfoPort();
urlRegionServer =
"http://" + addr.getHostname().toString() + ":" + infoPort + "/";
Integer i = regDistribution.get(urlRegionServer);
if (null == i) i = new Integer(0);
regDistribution.put(urlRegionServer, i+1);
}
}
%>
@ -170,6 +182,18 @@
%>
<td><%= Bytes.toStringBinary(regionInfo.getStartKey())%></td>
<td><%= Bytes.toStringBinary(regionInfo.getEndKey())%></td>
<td><%= req%></td>
</tr>
<% } %>
</table>
<h2>Regions by Region Server</h2>
<table><tr><th>Region Server</th><th>Region Count</th></tr>
<%
for (Map.Entry<String, Integer> rdEntry : regDistribution.entrySet()) {
%>
<tr>
<td><%= rdEntry.getKey()%></td>
<td><%= rdEntry.getValue()%></td>
</tr>
<% } %>
</table>