Victor:
I wanted to use Postfix as a delivery mechanism so that I would be
able to queue and hold mail during database outages and other
maintenance -- a job that it does very well. Is there really no
advice available on how to increase the speed of Postfix's local mail
delivery?
Thanks,
Wendigo Thompson:
Victor:
I wanted to use Postfix as a delivery mechanism so that I would be
able to queue and hold mail during database outages and other
maintenance -- a job that it does very well. Is there really no
advice available on how to increase the speed of Postfix's local mail
Wietse:
I know who you are -- big fan of yours ever since tcpwrappers :-)
The only reason I wrote in is that this queueing of mail issue
appeared fairly recently, and other times when I have had to collect
large volumes of mail from this client my system has been fine. Below
I have pasted
Wendigo Thompson:
Wietse:
I know who you are -- big fan of yours ever since tcpwrappers :-)
Hah!
(As for my claim, of course other people also wrote parts of
Postfix, in particular Victor has been a major contributor).
The only reason I wrote in is that this queueing of mail issue
Wietse:
Sadly I generally don't keep logs at this granular of a level
(mail.crit is what I usually store forever) but I can turn logging
back on after the queue empties over the weekend and see if the delay
is persisting. I know the command itself is completing quickly -- it
seems like
Wendigo Thompson:
Wietse:
Sadly I generally don't keep logs at this granular of a level
(mail.crit is what I usually store forever) but I can turn logging
back on after the queue empties over the weekend and see if the delay
is persisting. I know the command itself is completing quickly
Okay, I have some updates. Reducing the concurrency down (and
ultimately to 1) increased performance: it seems the delays I was
seeing were related to concurrency inside SQL. However, I am still
seeing half second delays in local delivery while my insertion
application is showing ~.003s
Wendigo Thompson put forth on 1/14/2010 6:39 PM:
Okay, I have some updates. Reducing the concurrency down (and
ultimately to 1) increased performance: it seems the delays I was
seeing were related to concurrency inside SQL. However, I am still
seeing half second delays in local delivery
Wendigo Thompson:
Okay, I have some updates. Reducing the concurrency down (and
ultimately to 1) increased performance: it seems the delays I was
seeing were related to concurrency inside SQL. However, I am still
seeing half second delays in local delivery while my insertion
application is
On Wed, Jan 13, 2010 at 12:35:19AM -0600, Wendigo Thompson wrote:
Postfix accepts mail from the
corporate mail server and delivers the message via a pipe alias to an
application that is then inserting the message into the database.
Your choice of delivery mechanism is unfortunate. It is far
Hello:
I maintain for a large client a Postfix/MySQL installation that
archives certain messages required to be held for compliance with
lawsuits and employment litigation. Postfix accepts mail from the
corporate mail server and delivers the message via a pipe alias to an
application that is
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