HBASE-27309-branch-2 Add major compact table or region operation on master web table page

Author: SiCheng-Zheng

hbase-server/src/main/resources/hbase-webapps/master/table.jsp

@@ -191,6 +191,19 @@
       }
 
     %> Split request accepted. <%
+    } else if (action.equals("major compact")) {
+      if (key != null && key.length() > 0) {
+        List<RegionInfo> regions = admin.getRegions(TableName.valueOf(fqtn)).get();
+        byte[] row = Bytes.toBytes(key);
+        for (RegionInfo region : regions) {
+          if (region.containsRow(row)) {
+            admin.majorCompactRegion(region.getRegionName());
+          }
+        }
+      } else {
+        admin.majorCompact(TableName.valueOf(fqtn));
+      }
+    %> major Compact request accepted. <%
     } else if (action.equals("compact")) {
       if (key != null && key.length() > 0) {
         List<RegionInfo> regions = admin.getRegions(TableName.valueOf(fqtn)).get();
@@ -1187,6 +1200,23 @@
       <p>
       <center>
         <table class="table" style="border: 0;" width="95%" >
+          <tr>
+            <form method="get">
+            <input type="hidden" name="action" value="major compact" />
+            <input type="hidden" name="name" value="<%= escaped_fqtn %>" />
+            <td class="centered">
+              <input style="font-size: 12pt; width: 10em" type="submit" value="Major Compact" class="btn" />
+            </td>
+            <td style="text-align: center;">
+              <input type="text" name="key" size="40" placeholder="Row Key (optional)" />
+            </td>
+            <td>
+              This action will force a major compaction of all regions of the table, or,
+              if a key is supplied, only the region major containing the
+              given key.
+            </td>
+            </form>
+          </tr>
           <tr>
             <form method="get">
               <input type="hidden" name="action" value="compact" />