2 files changed, 13 insertions, 0 deletions
diff --git a/core/src/main/resources/org/apache/spark/ui/static/additional-metrics.js b/core/src/main/resources/org/apache/spark/ui/static/additional-metrics.js
index 013db8df9b..0b450dc76b 100644
--- a/core/src/main/resources/org/apache/spark/ui/static/additional-metrics.js
+++ b/core/src/main/resources/org/apache/spark/ui/static/additional-metrics.js
@@ -50,4 +50,9 @@ $(function() {
     $("span.additional-metric-title").click(function() {
         $(this).parent().find('input[type="checkbox"]').trigger('click');
     });
+
+    // Trigger a double click on the span to show full job description.
+    $(".description-input").dblclick(function() {
+        $(this).removeClass("description-input").addClass("description-input-full");
+    });
 });
diff --git a/core/src/main/resources/org/apache/spark/ui/static/webui.css b/core/src/main/resources/org/apache/spark/ui/static/webui.css
index e7c1d475d4..b1cef47042 100644
--- a/core/src/main/resources/org/apache/spark/ui/static/webui.css
+++ b/core/src/main/resources/org/apache/spark/ui/static/webui.css
@@ -135,6 +135,14 @@ pre {
   display: block;
 }
 
+.description-input-full {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  width: 100%;
+  white-space: normal;
+  display: block;
+}
+
 .stacktrace-details {
   max-height: 300px;
   overflow-y: auto;