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From Qingshan Xie <xieq...@yahoo.com>
Subject Re: [users@httpd] Question on KeepAlive
Date Wed, 06 Jun 2007 16:12:56 GMT
Thanks Joshua for your quick reply and help!  
One more quick question on KeepAlive, 
Can KeepAlive work on POST?

Thx, Q.Xie


--- Joshua Slive <joshua@slive.ca> wrote:

> On 6/6/07, Qingshan Xie <xieq_49@yahoo.com> wrote:
> > Hi,
> >
> > After KeepAlive On, multiple requests will be
> handled
> > one at a time, or say "Sequentially". If there are
> 30
> > pages requested, could this "Sequential
> > Processing"(like a queuing process) slow down the
> > performance? On the other hand, without KeepAlive,
> 30
> > requests could be handled by 30
> connections/threads
> > simultaneously, it could be faster. Am I right? 
> Can
> > someone shed some lights on the above situation?
> 
> The HTTP spec and standard browser design limits the
> number of
> connections to (if I remember correctly) between 2
> and 4. So you will
> never see 30 simultaneous connections. That would
> overwhelm a
> connection-per-thread server like apache. Instead
> you will see the
> same 2 to 4 connections being repeatedly setup and
> torn down,
> resulting in slower performance overall.
> 
> Joshua.
> 
>
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