From 8d32bd884d53948728b77de14531b3be196f4bc7 Mon Sep 17 00:00:00 2001
From: Yongjun Zhang <yzhang@cloudera.com>
Date: Fri, 29 Jul 2016 23:20:14 -0700
Subject: [PATCH] HDFS-10703. HA NameNode Web UI should show last checkpoint
 time. (John Zhuge via Yongjun Zhang)

---
 .../hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html           | 3 +++
 .../hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js             | 1 +
 2 files changed, 4 insertions(+)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
index 4fa2e4c02d..b0db3a1dc1 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
@@ -182,6 +182,9 @@
   <tr><th>Block Deletion Start Time</th><td>{BlockDeletionStartTime|date_tostring}</td></tr>
 {/fs}
 
+{#fsn}
+  <tr><th>Last Checkpoint Time</th><td>{@if cond="{LastCheckpointTime} === 0"}Never{:else}{LastCheckpointTime|date_tostring}{/if}</td></tr>
+{/fsn}
 </table>
 
 <div class="page-header"><h1>NameNode Journal Status</h1></div>
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
index e2908c02b5..f230b0f5cb 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
@@ -36,6 +36,7 @@
       {"name": "nn",      "url": "/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo"},
       {"name": "nnstat",  "url": "/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus"},
       {"name": "fs",      "url": "/jmx?qry=Hadoop:service=NameNode,name=FSNamesystemState"},
+      {"name": "fsn",     "url": "/jmx?qry=Hadoop:service=NameNode,name=FSNamesystem"},
       {"name": "blockstats",      "url": "/jmx?qry=Hadoop:service=NameNode,name=BlockStats"},
       {"name": "mem",     "url": "/jmx?qry=java.lang:type=Memory"}
     ];