Re: Latch-ifying the syslogger process

On 05/12/2012 03:36 PM, Tom Lane wrote:
> I noticed a large oversight in our efforts to reduce the server's idle
> wakeup frequency: if you've got logging_collector turned on, the
> syslogger process will wake up once a second, whether it has anything
> to do or not. But the only reasons it has for waking up are signals,
> data arrival, and time-based logfile rotation, and it is easy to
> calculate the time until the next logfile rotation event. So this
> seems really easy to latch-ify, and I would like to apply the attached
> patch if there are not objections. I do not however have the ability
> to test the Windows side of it, so it'd be nice if someone would check
> that that still works (particularly, that it shuts down cleanly).

I can do that. I'm doing some Windows investigation ATM so this won't be
hard to add on to it.

It's worth pointing out that the buildfarm client doesn't currently test
the syslogger at all. It probably should, at least optionally. That
wouldn't be too hard to arrange. A SMOP :-)

cheers

andrew