Re: Enabling stress detection by default

2009-02-07 Thread Wietse Venema
Daniel V. Reinhardt: ---Could there be a notification alert be sent via SMS or another means to the administrator of the post server in question, stating something is wrong with the server? This could be implemented by configuring a logfile monitoring program (swatch, logsurfer, etc.) to send

Re: Enabling stress detection by default

2009-02-07 Thread Noel Jones
Daniel V. Reinhardt wrote: ---Could there be a notification alert be sent via SMS or another means to the administrator of the post server in question, stating something is wrong with the server? The discussion is about proposed default postfix behavior, so no, out of band notifications

Enabling stress detection by default

2009-02-06 Thread Wietse Venema
With Postfix 2.5 I introdoced stress-dependent behavior in the SMTP server, but this was left turned off by default. I'm thinking of turning on some stress-dependent behavior by default in Postfix 2.6, to make Postfix look better in stupid benchmarks (just like in_flow_delay and

Re: Enabling stress detection by default

2009-02-06 Thread Victor Duchovni
On Fri, Feb 06, 2009 at 01:37:41PM -0500, Wietse Venema wrote: smtpd_timeout = ${stress?10s}${stress:300s} smtpd_hard_error_limit = ${stress?2}${stress:20} I guess disabling reverse DNS lookups under stress is too drastic. It would certainly not help folks with reject_unknown_client, even if

Re: Enabling stress detection by default

2009-02-06 Thread Noel Jones
Wietse Venema wrote: Something that will drastically cut the time per session: smtpd_timeout = ${stress?10s}${stress:300s} I would be concerned about sites that are chronically short of smtpd processes with an inexperienced or inattentive admin. Maybe 20s~30s rather than 10s. That's still

Re: Enabling stress detection by default

2009-02-06 Thread Wietse Venema
Noel Jones: Wietse Venema wrote: Something that will drastically cut the time per session: smtpd_timeout = ${stress?10s}${stress:300s} I would be concerned about sites that are chronically short of smtpd processes with an inexperienced or inattentive admin. Maybe 20s~30s rather than

Re: Enabling stress detection by default

2009-02-06 Thread Wietse Venema
Wietse Venema: smtpd_timeout = ${stress?10s}${stress:300s} smtpd_hard_error_limit = ${stress?2}${stress:20} I thought this was going to be easy, but the built-in default values for these parameters are type int, and do not accept the conditional expressions. Either this means changing the way

Re: Enabling stress detection by default

2009-02-06 Thread Noel Jones
Wietse Venema wrote: Noel Jones: Wietse Venema wrote: Something that will drastically cut the time per session: smtpd_timeout = ${stress?10s}${stress:300s} I would be concerned about sites that are chronically short of smtpd processes with an inexperienced or inattentive admin. Maybe 20s~30s

Re: Enabling stress detection by default

2009-02-06 Thread Daniel V. Reinhardt
Wietse Venema wrote: Noel Jones: Wietse Venema wrote: Something that will drastically cut the time per session: smtpd_timeout = ${stress?10s}${stress:300s} I would be concerned about sites that are chronically short of smtpd processes with an inexperienced or inattentive admin.