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[ale] Sendmail latency
- Subject: [ale] Sendmail latency
- From: FishR at bellsouth.net (Ryan Fish)
- Date: Tue Jan 25 12:38:58 2005
- References: <[email protected]><053d01c50297$4c75c130$59b4fea9@win2kpro1><054601c5029b$08e2e0c0$59b4fea9@win2kpro1><1106631883.12632.9.camel@blue><[email protected]><05c401c502e7$c3243c80$59b4fea9@win2kpro1><1106663161.14585.2.camel@blue><05e201c502ed$93b3dc70$59b4fea9@win2kpro1><1106667327.14585.50.camel@blue><063301c502fc$3e21bde0$59b4fea9@win2kpro1> <1106672695.14585.88.camel@blue>
> On Tue, 2005-01-25 at 11:37 -0500, Ryan Fish wrote:
> >
> >
> > Where are 'max_daemon_children' and 'connection_rate_throttle' set? I
can't
> > find them in sendmail.cf or sendmail.mc...
>
> WARNING: starting to adjust these can potentially produce interesting
> changes (some good, some bad). I would recommend you test this on a
> testbed before implementing it in a production system.
>
> These 3 changes in sendmail.mc (and then a m4 compile of sendmail.mc)
>
> define(`confMAX_DAEMON_CHILDREN', 10)dnl
> define(`confCONNECTION_RATE_THROTTLE', 10)
> define(`confSINGLE_THREAD_DELIVERY',false)
>
> will add these 3 lines to sendmail.cf
>
> O MaxDaemonChildren=10
> O ConnectionRateThrottle=10
> O SingleThreadDelivery=false
>
> I'm not sure of what Sendmail defaults for those values, but basically
> those statements allow up to 10 simultaneous child processes (inbound
> and outbound).
FYI... Here is what they are set to now:
#O MaxDaemonChildren=0
#O ConnectionRateThrottle=0
#O SingleThreadDelivery=False