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Posted to users@httpd.apache.org by Andrew Gaydenko <a...@gaydenko.com> on 2008/06/06 19:58:21 UTC
[users@httpd] pipelining in real world
Can anybody roughly estimate the fraction of http transactions with
pipelining (and persistent, but without pipelining) among all transactions
which take place everyday in the world?
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Re: [users@httpd] pipelining in real world
Posted by Andrew Gaydenko <a...@gaydenko.com>.
If it possible - slightly another question related to current reality is: do
modern browsers use socket half-close?
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Re: [users@httpd] pipelining in real world
Posted by Andrew Gaydenko <a...@gaydenko.com>.
awarnier wrote:
>
> Not that I could, but just by curiosity, can you describe what you mean
> by "transactions with pipelining", or point me to an explanation ?
>
http://en.wikipedia.org/wiki/Http_pipelining
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Re: [users@httpd] pipelining in real world
Posted by André Warnier <aw...@ice-sa.com>.
Andrew Gaydenko wrote:
> Can anybody roughly estimate the fraction of http transactions with
> pipelining (and persistent, but without pipelining) among all transactions
> which take place everyday in the world?
Not that I could, but just by curiosity, can you describe what you mean
by "transactions with pipelining", or point me to an explanation ?
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Re: [users@httpd] pipelining in real world
Posted by Andrew Gaydenko <a...@gaydenko.com>.
Joshua Slive-2 wrote:
>
> Why do you want this information?
>
Just learning http protocol and have not found a literature reflecting
current situation (last related books were published 5-6 years ago). I hope,
it isn't surprisingly I have decided the apache community must be most
informed :-)
Joshua Slive-2 wrote:
>
> Anyway, the answer is relatively simple if you are talking about
> ordinary web browsers: essentially all modern web browsers do
> persistent connections, and no major web browsers currently enable
> pipelining (by default; and very few people change this). So the
> answer is near 0% for pipelining and near 100% for persistent
> connections.
>
> Things get a lot more complicated if you add proxies, robots, and
> programmatic uses of HTTP into the mix. I don't have any numbers on
> that.
>
Joshua, thanks!!
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Re: [users@httpd] pipelining in real world
Posted by Joshua Slive <jo...@slive.ca>.
On Fri, Jun 6, 2008 at 1:58 PM, Andrew Gaydenko <a...@gaydenko.com> wrote:
>
> Can anybody roughly estimate the fraction of http transactions with
> pipelining (and persistent, but without pipelining) among all transactions
> which take place everyday in the world?
Why do you want this information?
Anyway, the answer is relatively simple if you are talking about
ordinary web browsers: essentially all modern web browsers do
persistent connections, and no major web browsers currently enable
pipelining (by default; and very few people change this). So the
answer is near 0% for pipelining and near 100% for persistent
connections.
Things get a lot more complicated if you add proxies, robots, and
programmatic uses of HTTP into the mix. I don't have any numbers on
that.
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