Last modified: 2014-07-31 16:36:58 UTC

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Bug 50084 - VisualEditor: Lag when selecting complex templates (especially in big pages)
VisualEditor: Lag when selecting complex templates (especially in big pages)
Status: RESOLVED FIXED
Product: VisualEditor
Classification: Unclassified
Editing Tools (Other open bugs)
unspecified
All All
: High normal
: VE-deploy-2014-07-24
Assigned To: Ed Sanders
:
Depends on:
Blocks: ve-performance
  Show dependency treegraph
 
Reported: 2013-06-24 04:32 UTC by This, that and the other (TTO)
Modified: 2014-07-31 16:36 UTC (History)
4 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments
Above the reflist (194.13 KB, image/png)
2013-11-11 19:47 UTC, Rummana Yasmeen
Details
beyond the selected reflist (346.42 KB, image/png)
2013-11-11 19:48 UTC, Rummana Yasmeen
Details

Description This, that and the other (TTO) 2013-06-24 04:32:14 UTC
(from bug 49922 comment 1)

VE is slow at selecting templates and transclusions in big pages.

For example: [[World War II]]:

 - attempt to select infobox by clicking on it: takes ~3 seconds in 
   Firefox 21 and Chrome 27, with no visual indication that anything
   is happening during the wait

 - attempt to select the reflist by clicking on it: just hangs in Firefox
   and Chrome, never actually seems to happen

This either needs to be sped up, or fail more gracefully.

In IE10, this is not such a problem \o/ - lag is actually less, and the reflist can be selected (takes about 22 seconds).
Comment 1 Rummana Yasmeen 2013-11-11 19:46:56 UTC
Experienced the lag in selecting both the info box and reflist on that page in chrome Version 26.0.1410.65 and firefox 20 (MAC OS X version 10.8.5)

However, did not experience the hang while selecting the reflist in either of the browsers.

Also,while selecting the reflist , the blue selection box progresses beyond the reflist selected in both sides.

See the screenshots attached.
Comment 2 Rummana Yasmeen 2013-11-11 19:47:41 UTC
Created attachment 13764 [details]
Above the reflist
Comment 3 Rummana Yasmeen 2013-11-11 19:48:20 UTC
Created attachment 13765 [details]
beyond the selected reflist
Comment 4 James Forrester 2014-07-31 16:36:58 UTC
This is an old report that I think is now closable (but performance is of course an on-going concern).

For these particular concerns, we've recently fixed a number of performance issues germane to these:

* Selection of the template, and opening the dialog, takes much less than a
  second now for me (I'd call it instant, roughly).
* Loading the second reflist is much quicker too (the first one was already near-instant).

(Note that these fixes should hit production later today.)

Consequently, I'm marking this as "FIXED", though there's always going to be more to do.

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