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HBASE-27037 Display the region server state on the Web UI #4432

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merged 3 commits into from
Jun 2, 2022
Merged

HBASE-27037 Display the region server state on the Web UI #4432

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HBASE-27037 Display the region server state on the Web UI
tomscut May 15, 2022
2f09fb7
add blank space
tomscut May 18, 2022
12b2daa
change list to set to reduce complexity
tomscut May 23, 2022
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7 changes: 6 additions & 1 deletion 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 @@ -97,9 +97,13 @@ Arrays.sort(serverNames);
int totalRegions = 0;
int totalRequestsPerSecond = 0;
int inconsistentNodeNum = 0;
String state = "Normal";
String masterVersion = VersionInfo.getVersion();
Set<ServerName> decommissionedServers = new HashSet<>(master.listDecommissionedRegionServers());
for (ServerName serverName: serverNames) {

if (decommissionedServers.contains(serverName)) {
state = "Decommissioned";
}
ServerMetrics sl = master.getServerManager().getLoad(serverName);
String version = master.getRegionServerVersion(serverName);
if (!masterVersion.equals(version)) {
Expand Down Expand Up @@ -134,6 +138,7 @@ Arrays.sort(serverNames);
<tr><td>Total:<% servers.size() %></td>
<td></td>
<td></td>
<td></td>
<%if inconsistentNodeNum > 0%>
<td style="color:red;"><% inconsistentNodeNum %> nodes with inconsistent version</td>
<%else>
Expand Down