YARN-8603. [UI2] Latest run application should be listed first in the RM UI. Contributed by Akhil PB.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/controllers/app-table-columns.js

@@ -20,6 +20,7 @@
 import Ember from 'ember';
 import ColumnDef from 'em-table/utils/column-definition';
 import TableDef from 'em-table/utils/table-definition';
+import Converter from 'yarn-ui/utils/converter';
 
 export default Ember.Controller.extend({
   tableDefinition: TableDef.create({
@@ -83,6 +84,9 @@ export default Ember.Controller.extend({
           headerTitle: 'Start Time',
           contentPath: 'startTime',
           facetType: null,
+          getCellContent: function(row) {
+            return Converter.timeStampToDate(row.get('startTime'));
+          }
       }, {
           id: 'elTime',
           headerTitle: 'Elapsed Time',
@@ -169,6 +173,9 @@ export default Ember.Controller.extend({
       headerTitle: 'Started Time',
       contentPath: 'startTime',
       facetType: null,
+      getCellContent: function(row) {
+        return Converter.timeStampToDate(row.get('startTime'));
+      }
     }, {
       id: 'finishTime',
       headerTitle: 'Finished Time',

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/controllers/yarn-apps/apps.js

@@ -25,7 +25,9 @@ export default AppTableController.extend({
   tableDefinition: TableDefinition.create({
     searchType: 'manual',
     enableFaceting: true,
-    rowCount: 25
+    rowCount: 25,
+    sortColumnId: 'stTime',
+    sortOrder: 'desc'
   }),
   searchText: Ember.computed.alias('tableDefinition.searchText'),
   sortColumnId: Ember.computed.alias('tableDefinition.sortColumnId'),

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/serializers/yarn-app.js

@@ -42,7 +42,7 @@ export default DS.JSONAPISerializer.extend({
           user: payload.user,
           queue: payload.queue,
           state: payload.state,
-          startTime: Converter.timeStampToDate(payload.startedTime),
+          startTime: payload.startedTime, // will be formatted in em-table
           elapsedTime: payload.elapsedTime,
           finishedTime: Converter.timeStampToDate(payload.finishedTime),
           finalStatus: payload.finalStatus,