From db992083aff354cc7bc5cee96af7db45d2852531 Mon Sep 17 00:00:00 2001
From: litao <tomleescut@gmail.com>
Date: Thu, 2 Jun 2022 21:19:45 +0800
Subject: [PATCH] HBASE-27037 Display the region server state on the Web UI
 (#4432)

Signed-off-by: Pankaj Kumar <pankajkumar@apache.org>
Signed-off-by: Duo Zhang <zhangduo@apache.org>
---
 .../hadoop/hbase/tmpl/master/RegionServerListTmpl.jamon    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/RegionServerListTmpl.jamon b/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/RegionServerListTmpl.jamon
index a3067eeaf8ad..b764ae428f01 100644
--- a/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/RegionServerListTmpl.jamon
+++ b/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/RegionServerListTmpl.jamon
@@ -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)) {
@@ -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>