System can't take more than 5k req /sec

Jason Price japrice at
Mon May 12 23:33:19 CEST 2014

So, through some TCP tuning we've been able to get to 20k/s.  Though I
needed to get up to 8k threads per pool.

Many docs say 'Don't go more than 4k threads'.  Can someone explain
that?  Anyone have experience with 8-10k threads?


On Tue, Apr 29, 2014 at 10:41 PM, Jason Price <japrice at> wrote:
> On Tuesday, April 29, 2014, Norberto Meijome <numard at> wrote:
>> Have you ruled out AWS limits? Putting varnish aside for a minute, can you
>> handle 5k/sec TCP conns with something like nginx +static files.?
> This is an excellent question.  I'll see what kind of answer I'll get to it.
> -Jason

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