Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3

Eric Dumazet
2007-03-01T15:32:46Z

On Thursday 01 March 2007 16:23, Evgeniy Polyakov wrote:
> They are there, since ab runs only 50k requests.
> If I change it to something noticebly more than 50/80k, ab crashes:
> # ab -c8000 -t 600 -n800000000 http://192.168.0.48/
> This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0
> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
> Copyright 2006 The Apache Software Foundation, http://www.apache.org/
>
> Benchmarking 192.168.0.48 (be patient)
> Segmentation fault
>
> Are there any other tool suitable for such loads?
> I only tested httperf (which is worse, since it uses poll/select) and
> 'ab'.
>
> Btw, host machine runs 100% too, so it is possible that client side is
> broken (too).

I have similar problems here, ab test just doesnt complete...

I am still investigating with strace and tcpdump.

In the meantime you could just rewrite it (based on epoll please :) ), since
it should be quite easy to do this (reverse of evserver_epoll)