HBASE-25402 Sorting order by start key or end key is not considering empty start key/end key (#2955)

Signed-off-by: Duo Zhang <zhangduo@apache.org>
Signed-off-by: Pankaj Kumar<pankajkumar@apache.org>
(cherry picked from commit 157200e)

Author: AkshayTSudheer

hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/regionserver/RSStatusTmpl.jamon

@@ -299,7 +299,12 @@ $(document).ready(function()
             type: "numeric"
         });
 
-        $("#baseStatsTable").tablesorter();
+        $("#baseStatsTable").tablesorter({
+            headers: {
+                1: {empty: 'emptyMin'},
+                2: {empty: 'emptyMax'}
+            }
+        });
         $("#requestStatsTable").tablesorter({
             headers: {
                 1: {sorter: 'separator'},

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

@@ -1311,7 +1311,9 @@ $(document).ready(function()
                 3: {sorter: 'separator'},
                 4: {sorter: 'filesize'},
                 5: {sorter: 'separator'},
-                6: {sorter: 'filesize'}
+                6: {sorter: 'filesize'},
+                7: {empty: 'emptyMin'},
+                8: {empty: 'emptyMax'}
             }
         });
         $("#metaTableBaseStatsTable").tablesorter({
@@ -1320,7 +1322,9 @@ $(document).ready(function()
                 3: {sorter: 'separator'},
                 4: {sorter: 'filesize'},
                 5: {sorter: 'separator'},
-                6: {sorter: 'filesize'}
+                6: {sorter: 'filesize'},
+                7: {empty: 'emptyMin'},
+                8: {empty: 'emptyMax'}
             }
         });
         $("#tableLocalityStatsTable").tablesorter({