[Webkit-unassigned] [Bug 61452] document.documentElement.cloneNode(true) causes resources to be downloaded again

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=61452


malch <malch at malch.com> changed:

           What    |Removed                     |Added
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                 CC|                            |malch at malch.com




--- Comment #2 from malch <malch at malch.com>  2011-09-26 08:49:09 PST ---
I have recently encountered this bug and offer a few additional observations:

1. There is no need to install a packet sniffer to observe the problem. One can view the unnecessary network activity from the Network Panel of the Chrome Developer Tools frame, for example. Or monitor the access log on the server hosting the image of course.

2. Although the problem seems to generally arise on images with no-cache, it can also be seen with regular static images that are 404 Not Found.

3. In my case, cloneNode() was being called from 500ms timer. Thus the level of unnecessary HTTP requests being generated was quite significant and multiple users caused a serious load problem for the server hosting the image.

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