[Webkit-unassigned] [Bug 12659] LEOPARD: Possible memory leaks found at www.ebay.com and map.google.com

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=12659





------- Comment #1 from ian.eng.webkit at gmail.com  2007-02-22 13:57 PDT -------
It is probably because properties were not cleared properly when closing the
window. In the same window you visited ebay or maps.google, open 'about:blank',
and exit, no leaks happen.

(In reply to comment #0)
> 2007-01-25 10:38:22 Chris Petersen:
> * SUMMARY
> As part of my ongoing performance testing for Leopard, I have been asked to
> measure for memory leaks on sites that use heavy Javascript. I chose two
> specific test site: www.ebay.com and maps.google.com . My testing was done with
> Private browsing turned on and  " Disable WebCore Caches "  checked on (in the
> Debug caches window)
> 
> From my testing , I was seeing remaining referenced javascript objects (in the
> caches window) after I closed the window that contained these specific sites. 
> 
> After closing the window that contained www.ebay.com, the caches window was
> showing total of 5808 (JS objects) that was referenced.
> 
> After closing the window that contained www.maps.google.com, the caches window
> was showing total of 9823 (JS objects) that was referenced.
> 
> 
> Note:  BEFORE I started the steps below, I completed the following. Clear cache
> and set a empty page as the default in Safari.  Enable Private browsing and
> turn on "Disable Webcore Caches"
> 
> 
> * STEPS TO REPRODUCE
> 1. On stock 9A348, go to http://maps.google.com or  http://www.ebay.com
> 2. After each site loads, complete a address search at  http://maps.google.com 
> or a item search at  http://www.ebay.com
> 3. Note the amount of JS object are listed in the Caches window when search is
> completed.
> 4. Now, close this window and click the "Refresh" button 
> 5. Notice the number of JS objects are reduced but some remain
> 
> In my case, I was seeing the following after closing the window:
> 
> After closing http://maps.google.com , the JS objects remained at Reference 1 -
> Total: 9823 (STRING)
> After closing http://www.ebay.com , the JS objects remained at Reference 1 -
> Total: 5808 (STRING)
> 
> 2007-01-25 13:19:40 Geoff Garen:
> Big memory leak => blocker.
> 
> 2007-01-29 16:21:18 Lee Bernhard:
> Perf BRB: Adding OSX-Perf Leopard Critical and OSX-Perf Memory.  Recommend P1
> for Leopard.
> 
> 2007-01-29 18:08:30 Geoff Garen:
> I guess " blocker" means P1, anyway.
> 
> 2007-02-05 13:15:58 Stephanie Lewis:
> By virtue of being Safari Blocker Reviewed, these have been Safari BRB Reviewed
> 
> <rdar://problem/4954306>
> 


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