On Tue, Oct 21, 2008 at 12:56:12PM +0200, Andreas Schuldei wrote:
> h??!
>
> i have this in my main.cf:
>
> destination_concurrency_feedback_debug = yes
> default_destination_rate_delay = 10s
> default_destination_concurrency_limit = 10
> default_destination_concurrency_positive_feedback = 0.05
> default_destination_concurrency_negative_feedback = 1
> default_initial_destination_concurrency = 1
Wow, that's extremely conservative concurrency growth!
> The goal is that the server starts sending mail every 10th
> second, then after 50 mails increase to 2 mails every 10 seconds,
> until it sends 10 mails every then seconds, ramping up
> slowly.
>
> But i dont see that happen. If i have
> default_destination_rate_delay set to something other 0s it
> keeps sending mails every 10s only, no increase in volume.
That's right, the rate delay feature enforces strict (single) message
spacing, the concurrency features are turned off.
> Sometimes, without any aparent errors occuring in the delivery
> queue of that domain, it pauses the delivery to that destination
> domain alltogether.
When the unit concurrency channel is slow no new deliveries happen until
the slow message drains.
> how can i combine the "slow start" with the slow sending with
> pauses inbetween? i use postfix 2.5.5-1.1 from debian testing.
There is no support for this.
--
Viktor.
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