This is very interesting! I just tried out Chrome and Firefox and I don't see these differences in performance. It's only on Safari. On Chrome, Nginx seems to have an edge even. How is this possible?
Thanks,
Jürg
On 18 Jul 2011, at 13:56, Ed W wrote:
> On 18/07/2011 07:03, Jürg Lehni wrote:
>> You are right, so here it is:
>>
>> The same site running on Nginx:
>>
>> http://lineto.com:81/The+Fonts/Font+Categories/Text+Fonts/Akkurat/Normal/
>>
>
> Using Google Chrome, from London, UK. I don't see any noticable
> difference between the two sites, tested as of a few mins before this
> email sent?
>
> For performance tuning I find that either Chrome or Firefox with the
> firebug plugin allows you to see the timings of all assets being loaded.
> Delays are very easy to see and debug. Note that Chrome seems vastly
> faster and more efficient at loading massive quantities of image assets,
> so be sure to test with both
>
> I think next use some kind of benchmarking system to that you can test
> say single assets repeatedly pulled and multiple assets pulled in
> parallel. This should help you figure out where the bottleneck is?
>
> By now you should have spotted if you are IO bottlenecked, and if so
> then also consider simple things like changes to logging (buffered or
> non buffered), which can be stealing what little IO you have left?
>
> If you haven't figured out whether you are IO bound then consider making
> a small ram based cache drive and run the sites off those and disable
> logging. This should quickly give you an upper estimate of the
> machine's capabilities and you can work down from there? Obviously test
> locally AND remotely and beware silly things like your ISP implementing
> some upstream caching/filtering/throttling which is skewing your results?
>
> Good luck
>
> Ed W
>
>
>
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