Manvendra Bhangui <[EMAIL PROTECTED]> wrote:
> I have already run the make check, etc and checked the permissions as per
> the LWQ.

Excellent.  Looks like you've done (most of) your homework.

> 1. When the incoming rate increases, qmail-send is unable to cope up.
>     The todo increases at an alarming rate. After this the number of local
> deliveries
>     suddenly stop (around 1 per sec).
> 2. After shutting down port 25 (to stop incoming mails) and giving some
>     time for the unprocessed mails to become zero, the local mail
>     delivery again become fast (I could get a concurrency of about 160)

> This is the current stats I have on my mailserver.
> 
> isocor:/var/qmail/bin>./qmail-qstat
> messages in queue: 67966
> messages in queue but not yet preprocessed: 42007
[...] 
> Has anyone observed this and have come up with any solution to this.

Yes.  Russ Nelson noticed this, and created the big-todo patch.  It helps,
but does not eliminate the problem in all cases.  Basically the problem is
that qmail send will only process local and remote deliveries when there
is nothing left in todo.

Try applying the big-todo patch; it should help significantly.

Charles
-- 
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Charles Cazabon                            <[EMAIL PROTECTED]>
GPL'ed software available at:  http://www.qcc.sk.ca/~charlesc/software/
Any opinions expressed are just that -- my opinions.
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