On Mon, Feb 27, 2017 at 9:36 AM, Sepherosa Ziehau <sepher...@gmail.com> wrote: > On Sat, Feb 25, 2017 at 11:56 PM, Slawa Olhovchenkov <s...@zxy.spb.ru> wrote: >> On Sat, Feb 25, 2017 at 11:09:29PM +0800, Sepherosa Ziehau wrote: >> >>> > Can I use per-connection Lua script (for delays and url generation)? >>> > Not per-thread. I am need to emulate many client connections (about >>> > 10K-40K). >>> > Currently I am have some trouble w/ >20K connections. >>> >>> I didn't try the Lua script. Make sure to low the MSL on the box >>> running wrk, e.g. 10ms. Well, I'd recommend you to run 15K concurrent >>> connections on one testing box. >> >> Thanks! >> Can you explain some more this recomendations? > > If you don't lower MSL, too many sockets will sit in TIMED_WAIT state > on the testing client, which consumes local port space. Local port > space depletion == wrk can do more requests.
Hmm, I meant 'wrk cannot do more requests' :) > > 15K concurrent connection on each client box is a heuristic to make > sure local ports can be recycled timely. You need to figure out your > value on the testing box. But, normally, 15K ~ 10K is doable on each > client machine for a given server. > >> >> PS: I am run wrk w/ '--connreqs 600' > > Well, nginx's default setting is 100 requests/connection :). I use > --connreqs 1 to generate "short-lived" connection bomb. > > Thanks, > sephe > > -- > Tomorrow Will Never Die -- Tomorrow Will Never Die _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
