Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/5547#discussion_r28744020
--- Diff: core/src/main/resources/org/apache/spark/ui/static/jobs-graph.js
---
@@ -0,0 +1,118 @@
+function renderJobsGraphs(data) {
+ /* show visualization toggle */
+ $(".expand-visualization-arrow").toggleClass('arrow-closed');
+ $(".expand-visualization-arrow").toggleClass('arrow-open');
+ if ($(".expand-visualization-arrow").hasClass("arrow-closed")) {
+ $("#chartContainer").empty();
+ return;
+ }
+
+ /* no data to graph */
+ if (!Object.keys(data).length) {
+ return;
+ }
+
+ /* format data to a form readable by dimple.js */
+ var tableData = [];
+ for (var k in data) {
+ var arr = (data[k]).split(",");
+ data[k] = arr;
+ }
+ var startTime = getMin(data["launchtime"]);
+ var numTasks = Math.min(1000, data[k].length);
+
+ /*data update */
+ data["launchtime"] = data["launchtime"].map(function (launchTime)
{return launchTime-startTime;});
+ var maxTime = 0;
+ for (i = 0; i < numTasks; i++) {
+ var time = 0;
+ for (var key in data) {
+ time += parseFloat(data[key][i]);
--- End diff --
this might be pretty slow when there are thousands of tasks - if so,
sending proper double types in JSON would be faster.
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