HDFS-14919. Provide Non DFS Used per DataNode in DataNode UI. Contributed by Lisheng Sun.

hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html

@@ -329,6 +329,8 @@
       <th>Http Address</th>
       <th>Last contact</th>
       <th>Last Block Report</th>
+      <th>Used</th>
+      <th>Non DFS Used</th>
       <th style="width:180px; text-align:center">Capacity</th>
       <th>Blocks</th>
       <th>Block pool used</th>
@@ -342,6 +344,8 @@
     <td ng-value="{state}-{name}"><a href='{dnWebAddress}'>{dnWebAddress}</a></td>
     <td ng-value="{lastContact}">{lastContact}s</td>
     <td ng-value="{lastBlockReport}">{lastBlockReport}m</td>
+    <td ng-value="{used}">{used|fmt_bytes}</td>
+    <td ng-value="{nonDfsUsedSpace}">{nonDfsUsedSpace|fmt_bytes}</td>
     <td ng-value="{usedPercentage}">
       <div>
         <div style="display:inline-block; float: left; padding-right: 10px; width:80px">{capacity|fmt_bytes}</div>

hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js

@@ -356,6 +356,8 @@
               { 'orderDataType': 'ng-value', 'type': 'num' , "defaultContent": 0},
               { 'orderDataType': 'ng-value', 'type': 'num' , "defaultContent": 0},
               { 'orderDataType': 'ng-value', 'type': 'num' , "defaultContent": 0},
+              { 'orderDataType': 'ng-value', 'type': 'num' , "defaultContent": 0},
+              { 'orderDataType': 'ng-value', 'type': 'num' , "defaultContent": 0},
               { 'type': 'num' , "defaultContent": 0},
               { 'orderDataType': 'ng-value', 'type': 'num' , "defaultContent": 0},
               { 'type': 'string' , "defaultContent": ""}