[Twisted-Python] Twisted webserver performance issues (was volunteer...)

[Tom Leys]

Isn't the simplest option to place a decent reverse proxy between the 
webserver and our clients?

For example, varnish will cache and proxy simple GETs, so simple views 
of the front page and docs (which I imagine is a large chunk of the 
traffic) will be offloaded from the webserver:
http://varnish.projects.linpro.no/wiki/VarnishFeatures

Also, is the current installation (Db, apache + trac) all on one machine 
or are the DB and the webserver split already?

These would be easy ways to throw more hardware at the problem.

What is the current web-server configuration?
Can you share traffic stats for the top 20 pages, so we get an idea of 
where the load is?

-Tom

> From: "ssteinerX at gmail.com" <ssteinerx at gmail.com>
> Subject: Re: [Twisted-Python] Volunteer for twisted code Reviews and
> 	Commits
> To: Twisted general discussion <twisted-python at twistedmatrix.com>
> Message-ID: <C38535FC-8267-4162-B67C-1F27822CBC8D at gmail.com>
> Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes
>
>
> On Nov 7, 2009, at 8:51 AM, David Lyon wrote:
>
>   
>> Hi Jean-Paul,
>>
>> On Sat, 07 Nov 2009 13:32:28 -0000, exarkun at twistedmatrix.com wrote:
>>
>>     
>>> A server farm doesn't buy us anything, as trac can't be scaled up  
>>> across
>>> multiple hosts (or even multiple CPUs on a single host).
>>>       
>> I'm surprised to hear that.
>>
>> Usually replication of servers for read requests works well
>> with dns sharing.
>>
>> Does Trac not run a database? that can go on another machine and
>> lighten the load.
>>
>> Anyway, it's your call. Keep up the good work.
>>     
>
> I think the best option may just be to collect machine, database, and  
> usage stats and ask the trac guys for help.
>
> S
>
>
>
>
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