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Re: Usability initiative (HotCatreplacement/improvements etc.)

 

 

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jared.williams1 at ntlworld

Sep 16, 2009, 2:24 PM

Post #1 of 2 (516 views)
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Re: Usability initiative (HotCatreplacement/improvements etc.)

> -----Original Message-----
> From: wikitech-l-bounces [at] lists
> [mailto:wikitech-l-bounces [at] lists] On Behalf Of
> Aryeh Gregor
> Sent: 16 September 2009 19:39
> To: Wikimedia developers
> Subject: Re: [Wikitech-l] Usability initiative
> (HotCatreplacement/improvements etc.)
>
> On Wed, Sep 16, 2009 at 12:34 PM, Andrew Garrett
> <agarrett [at] wikimedia> wrote:
> >> * Heavy icon use means a lot of extra HTTP requests.
> >
> > Non-issue, I think. If we think that icons enhance
> usability, and we
> > have appropriate placeholders in place, then we're willing
> to buy the
> > extra servers.
>
> It's not just server load, it's also latency that's visible
> to the user. Both in loading the images, and any subsequent
> files. Browsers don't load things in parallel very aggressively.
>

Can distribute them across multiple domain names,
thereby bypassing the browser/HTTP limits.

Something along the lines of
'c'.(crc32($title) & 3).'.en.wikipedia.org'

Would atleast attempt to download upto 4 times as many things.

Jared


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gmaxwell at gmail

Sep 16, 2009, 2:34 PM

Post #2 of 2 (470 views)
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Re: Usability initiative (HotCatreplacement/improvements etc.) [In reply to]

On Wed, Sep 16, 2009 at 5:24 PM, Jared Williams
<jared.williams1 [at] ntlworld> wrote:
> Can distribute them across multiple domain names,
> thereby bypassing the browser/HTTP limits.
>
> Something along the lines of
> 'c'.(crc32($title) & 3).'.en.wikipedia.org'
>
> Would atleast attempt to download upto 4 times as many things.

Right, but it reduces connection reuse. So you end up taking more TCP
handshakes and spend more time with a small transmission window. (plus
more DNS round-trips; relevant because wikimedia uses low TTLs for
GSLB reasons) TNSTAAFL.

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