Hi Ian,
I just see that exim can handle only 1000 concurrent connections(for
sending out emails via SMTP), more will get error with loadrunner.
Exim does not utilize full of the cpu/memory of the server.
I have this additional configuration:
root@mail:/etc/exim4/conf.d/main# cat 00_local_settings
smtp_accept_max=1000000
smtp_accept_queue_per_connection=0
queue_run_max=10000
remote_max_parallel=1000
smtp_connect_backlog=50
No error found in the log too.
Any configurations can let Exim4 use all the resources like cpu/memory?
Thanks！
On Thu, Aug 15, 2013 at 6:56 PM, Ian Eiloart <iane@???> wrote:
> Hi Boyd,
>
> I'm not aware of any benchmark testing. I don't think anyone does it as a
> matter of routine. Environments and configurations are highly variable.
>
> I'm still using what I think is nine year old hardware (to be upgraded
> soon for support reasons, not for performance), and performance has never
> been a problem provided queues are kept to a reasonable size: tens of
> thousands of queued messages is too much, but generally we don't exceed a
> few hundred queued messages.
>
> I'm quite happy with processing and scanning (ClamAV and SpamAssassin) a
> million messages per day per host on this hardware. Our mailstores are not
> on this hardware - and that will make a big difference.
>
> On 15 Aug 2013, at 09:04, boyd yang <boyd.yang@???> wrote:
>
> > Hello,
> >
> > I'm testing exim4-heavy 4.80 now with loadrunner.
> >
> > Do you know the latest the performance benchmark?
> >
> > Thanks!
> > --
> > ## List details at https://lists.exim.org/mailman/listinfo/exim-users
> > ## Exim details at http://www.exim.org/
> > ## Please use the Wiki with this list - http://wiki.exim.org/
>
> --
> Ian Eiloart
> Postmaster, University of Sussex
> +44 (0) 1273 87-3148
>
>
