Re: opendkim performance

From: Lukasz Ochoda <lochoda_at_endai.com>
Date: Wed, 31 Aug 2011 14:29:22 -0400

Hi,

Thanks for you quick reply... I have not done anything yet... the problem is
that I try to sign about 1000 messages per second... I can see big
improvement after I switched from dkim proxy. OpenDKIM works great, but
still can see some emails that are not signed on the fly... the active queue
is still growing, but very slow which is great.

I will try to work on this fixed-sized pool, any improvement is good for
me...

DNS is not an issue right now, because I do not verify signatures right
now... just signing outgoing emails.

Thanks.

On Wed, Aug 31, 2011 at 2:22 PM, Murray S. Kucherawy <msk_at_cloudmark.com>wrote:

> I should also point out that the vast majority of the latency in opendkim
> processing is very likely DNS delays. Thereís very little we can do in the
> source code to deal with that.****
>
> ** **
>
> *From:* opendkim-users-bounce_at_lists.opendkim.org [mailto:
> opendkim-users-bounce_at_lists.opendkim.org] *On Behalf Of *Murray S.
> Kucherawy
> *Sent:* Wednesday, August 31, 2011 11:14 AM
>
> *To:* opendkim-users_at_lists.opendkim.org
> *Subject:* RE: opendkim performance****
>
> ** **
>
> Have you done any profiling to see where itís bottlenecking?****
>
>
> There are some libmilter build-time features that do things like restrict
> libmilter to a fixed-size worker pool rather than making one thread per
> client. I donít recall how much faster that gets it going, though.****
>
> ** **
>
> Thereís an open item to improve the speed at which canonicalization occurs,
> which is where libopendkim spends most of its time. Iím hoping to do that
> for the next release.****
>
> ** **
>
> *From:* opendkim-users-bounce_at_lists.opendkim.org [mailto:
> opendkim-users-bounce_at_lists.opendkim.org] *On Behalf Of *Lukasz Ochoda
> *Sent:* Wednesday, August 31, 2011 11:01 AM
> *To:* opendkim-users_at_lists.opendkim.org
> *Subject:* opendkim performance****
>
> ** **
>
> Hi All!****
>
> ** **
>
> Is there any way to optimize opendkim to work with high performance
> systems/servers. For example, can I increase number of processes of opendkim
> or make it work faster and better? ****
>



-- 
*Lukasz Ochoda
Endai Worldwide <http://www.endai.com/>
MarketTraq Developer
Tel: 212-430-0808x113
*
Received on Wed Aug 31 2011 - 18:29:35 PST

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