From e5f5774a12e2e1b67c6089269900fd4f3cbe8ca1 Mon Sep 17 00:00:00 2001
From: pgandhi <pgandhi@oath.com>
Date: Mon, 3 Dec 2018 13:41:59 +0530
Subject: [PATCH] [SPARK-26253] : Task Summary Metrics Table on Stage Page
 shows empty table when no data is present

Added a custom message to show on the task summary metrics table as well as executor summary table when no data is present.
---
 .../resources/org/apache/spark/ui/static/stagepage.js  | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/core/src/main/resources/org/apache/spark/ui/static/stagepage.js b/core/src/main/resources/org/apache/spark/ui/static/stagepage.js
index 4c83ec7e95ab1..564467487e84e 100644
--- a/core/src/main/resources/org/apache/spark/ui/static/stagepage.js
+++ b/core/src/main/resources/org/apache/spark/ui/static/stagepage.js
@@ -221,7 +221,10 @@ function createDataTableForTaskSummaryMetricsTable(taskSummaryMetricsTable) {
             "searching": false,
             "order": [[0, "asc"]],
             "bSort": false,
-            "bAutoWidth": false
+            "bAutoWidth": false,
+            "oLanguage": {
+                "sEmptyTable": "No tasks have reported metrics yet"
+            }
         };
         taskSummaryMetricsDataTable = $(taskMetricsTable).DataTable(taskConf);
     }
@@ -426,7 +429,10 @@ $(document).ready(function () {
                         }
                     ],
                     "order": [[0, "asc"]],
-                    "bAutoWidth": false
+                    "bAutoWidth": false,
+                    "oLanguage": {
+                        "sEmptyTable": "No data to show yet"
+                    }
                 }
                 var executorSummaryTableSelector =
                     $("#summary-executor-table").DataTable(executorSummaryConf);