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HBASE-27615 Add group of regionServer on Master webUI #5010

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Mar 9, 2023
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HBASE-27615 Add group of regionServer on Master webUI #5010

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27 changes: 27 additions & 0 deletions hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/RegionServerListTmpl.jamon
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,9 @@ HMaster master;
org.apache.hadoop.hbase.util.VersionInfo;
org.apache.hadoop.hbase.util.Pair;
org.apache.hadoop.util.StringUtils.TraditionalBinaryPrefix;
org.apache.hadoop.hbase.net.Address;
org.apache.hadoop.hbase.rsgroup.RSGroupInfo;
org.apache.hadoop.hbase.rsgroup.RSGroupUtil;
</%import>

<%if (servers != null && servers.size() > 0)%>
Expand Down Expand Up @@ -91,6 +94,11 @@ Arrays.sort(serverNames);
<th>Version</th>
<th>Requests Per Second</th>
<th>Num. Regions</th>
<%if !master.isInMaintenanceMode() && master.getMasterCoprocessorHost() != null %>
<%if RSGroupUtil.isRSGroupEnabled(master.getConfiguration()) %>
<th style="vertical-align: middle;" rowspan="2">RSGroup</th>
</%if>
</%if>
</tr>
</thead>
<tbody>
Expand All @@ -101,6 +109,16 @@ Arrays.sort(serverNames);
String state = "Normal";
String masterVersion = VersionInfo.getVersion();
Set<ServerName> decommissionedServers = new HashSet<>(master.listDecommissionedRegionServers());
String rsGroupName = "default";
List<RSGroupInfo> groups;
Map<Address, RSGroupInfo> server2GroupMap = new HashMap<>();
if (!master.isInMaintenanceMode() && master.getMasterCoprocessorHost() != null
&& RSGroupUtil.isRSGroupEnabled(master.getConfiguration())) {
groups = master.getRSGroupInfoManager().listRSGroups();
groups.forEach(group -> {
group.getServers().forEach(address -> server2GroupMap.put(address, group));
});
}
for (ServerName serverName: serverNames) {
if (decommissionedServers.contains(serverName)) {
state = "Decommissioned";
Expand All @@ -123,6 +141,10 @@ Arrays.sort(serverNames);
lastContact = (System.currentTimeMillis() - sl.getReportTimestamp())/1000;
}
long startcode = serverName.getStartcode();
if (!master.isInMaintenanceMode() && master.getMasterCoprocessorHost() != null
&& RSGroupUtil.isRSGroupEnabled(master.getConfiguration())) {
rsGroupName = server2GroupMap.get(serverName.getAddress()).getName();
}
</%java>
<tr>
<td><& serverNameLink; serverName=serverName; &></td>
Expand All @@ -132,6 +154,11 @@ Arrays.sort(serverNames);
<td><% version %></td>
<td><% String.format("%,.0f", requestsPerSecond) %></td>
<td><% String.format("%,d", numRegionsOnline) %></td>
<%if !master.isInMaintenanceMode() && master.getMasterCoprocessorHost() != null %>
<%if RSGroupUtil.isRSGroupEnabled(master.getConfiguration()) %>
<td><% rsGroupName %></td>
</%if>
</%if>
</tr>
<%java>
}
Expand Down