That's exactly what i wanted!!
thank you willy
> Date: Mon, 14 Sep 2015 07:38:08 +0200
> From: w...@1wt.eu
> To: r_o_l_a_...@hotmail.com
> CC: haproxy@formilux.org
> Subject: Re: rate limiting according to "total time" - possible ?
>
> Hi Roland,
>
> On Fri, Sep 11, 2015 at 05:11:11PM +0300, Roland RoLaNd wrote:
> > hello
> > i have haproxy directing traffic to a number of backends.
> > these backends can auto scale upon traffic; my goal is to change "maxcon"
> > depending on "total time" or "backend time" that a request took to
> > complete.
> > for example:
> > if totaltime < 1 second ; maxcon = 1000if totaltime < 2 second: maxconn =
> > 500etc...
> >
> > the goal is to hold connections in queue till backend auto scaling is in
> > effect.
> >
> > Can i do the above scenario within haproxy config or a cron that checks
> > haproxy socket/totaltime and act accordingly is a better idea?
> >
> > do you have an alternative advice for me to accomplish that goal ?
>
> I could be wrong, but I think you're trying to re-implement by hand the
> dynamic rate limiting you can get using minconn,maxconn and fullconn. It
> dynamically increases or decreases the effective per-server maxconn
> depending on the total number of connections on all servers in the
> backend so that queues decrease when connection count increases.
>
> Willy
>
>
