How to ensure good performance for the first X number of visitors

[Steve Holdoway]

On 08/10/13 21:35, Andrew Galdes wrote:
> Hi all,
>
> I'm looking for some guidance with Nginx. We have inherited a 
> web-server that experiences heavy load. The server is running: Ubuntu 
> Server 12.4, 24 Cores, 50~GB RAM.
>
> The CPU usage during peak time is 100%. Memory is about 50%.
>
> The client has asked that we configure Nginx to give the best user 
> experience for the first X number of visitors while the others are 
> 503'd. So a visitor to the website can experience good usage from 
> start to purchase (it's a commerce site). While others who visit (over 
> a threshold) would get 503 errors. This would ensure that, if you can 
> get in, your experience would be nice. If you can't, 503 and try again 
> later.
>
> I see there are some modules that can do this with a recompile but 
> we'd rather not go down that path at this stage. Given that http is 
> session-less, i suppose cookies have been used to achieve this. Or 
> based on IP address.
>
> Any thoughts?
>
>
> -- 
> -Andrew Galdes
> Managing Director
>
> RHCSA, LPI, CCENT
>
> AGIX Linux
>
> Ph: 08 7324 4429
> Mb: 0422 927 598
>
> Site: http://www.agix.com.au
> Twitter: http://twitter.com/agixlinux
> LinkedIn: http://au.linkedin.com/in/andrewgaldes
>
>
>
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Hi Andrew,

I seem to be doing exactly this for a living at the moment ( especially 
Magento installs ), and not that many timezones away. If you want to 
drop me a line offlist, please do!

Steve
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