HDFS-10581. Hide redundant table on NameNode WebUI when no nodes are decomissioning. Contributed by Weiwei Yang.

(cherry picked from commit 8e63fa98ea) (cherry picked from commit 2fdae7324b)
2016-12-05 18:13:53 -08:00 · 2016-12-05 18:13:53 -08:00 · 79f830ed22
parent 802a1fb2fc
commit 79f830ed22
1 changed files with 4 additions and 0 deletions
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
@ -352,6 +352,7 @@

 <div class="page-header"><h1><small>Decommissioning</small></h1></div>
 <small>
+{?DecomNodes}
 <table class="table">
  <thead>
    <tr>
@ -370,6 +371,9 @@
  </tr>
  {/DecomNodes}
 </table>
+{:else}
+No nodes are decommissioning
+{/DecomNodes}
 </small>
 </script>