Lähettäjä: Matt Rubright Päiväys: Vastaanottaja: exim-users Aihe: Re: [exim] [EXTERNAL] Re: Queue time logging incorrect in 4.94?
On Tue, Oct 27, 2020 at 5:15 PM Jeremy Harris via Exim-users <
exim-users@???> wrote:
> On 27/10/2020 13:59, Matt Rubright via Exim-users wrote:
> > While troubleshooting some user complaints about email queue times, I
> > discovered some cases where emails are logged as having longer queue
> times
> > than they actually do.
>
> > The QT log entry shows the total queue time to be 1m24s, but the
> timestamps
> > show 5 seconds start to finish. Am I misreading this somehow? The message
> > ID doesn't show up anywhere else in the log,
> >
> > My log_selector configuration looks like this:
> >
> > +queue_time_overall +smtp_incomplete_transaction
>
> With queue_time_overall set, the QT value includes reception time - from
> the start of the smtp transaction. The acceptance ( <= ) log line is
> not made until reception is complete, So, if *transmission* of the
> message took up the missing 1m 19s that would account for what we
> see for that case.
>
> If you are getting these frequently enough for a fair chance of
> spotting another, I suggest you add smtp_connection to the logging.
> It won't be perfect - there could still be a long delay between
> accepting the connection and the start of a message transaction -
> but it may be indicative.
>
> Thank you for giving this your attention. I turned on the smtp_connection
logging and see exactly what you suggested - the client is connecting a
minute or so before transmitting the message. Additionally, it looks like
one client in particular is behaving this way so it's almost certainly not
an issue on the server side.
