From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Thom Brown <thom(at)linux(dot)com> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Dave Page <dpage(at)pgadmin(dot)org>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Configuring synchronous replication |
Date: | 2010-09-22 16:46:52 |
Message-ID: | 201009221646.o8MGkqV04084@momjian.us |
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Lists: | pgsql-committers pgsql-hackers |
Thom Brown wrote:
> On 22 September 2010 17:23, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> > Robert Haas wrote:
> >> [server]
> >> guc=value
> >>
> >> or
> >>
> >> server.guc=value
> > ?^^^^^^^^^^^^^^^^
> >
> > Yes, this was my idea too. ?It uses our existing config file format.
> >
>
> So...
>
> sync_rep_services = {critical: recv=2, fsync=2, replay=1;
> important: fsync=3;
> reporting: recv=2, apply=1}
>
> becomes ...
>
> sync_rep_services.critical.recv = 2
> sync_rep_services.critical.fsync = 2
> sync_rep_services.critical.replay = 2
> sync_rep_services.important.fsync = 3
> sync_rep_services.reporting.recv = 2
> sync_rep_services.reporting.apply = 1
>
> I actually started to give this example to demonstrate how cumbersome
> it would look... but now that I've just typed it out, I've changed my
> mind. I actually like it!
It can be prone to mistyping, but it seems simple enough. We already
through a nice error for mistypes in the sever logs. :-)
I don't think we support 3rd level specifications, but we could. Looks
very Java-ish.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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