Re: Uh, I change my mind about commit_delay + commit_siblings (sort of)
Bruce Momjian <bruce@momjian.us>
From: Bruce Momjian <bruce@momjian.us>
To: Peter Geoghegan <peter@2ndquadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, Simon Riggs <simon@2ndquadrant.com>, Kevin Grittner <Kevin.Grittner@wicourts.gov>, pgsql-hackers@postgresql.org
Date: 2012-07-03T03:28:33Z
Lists: pgsql-hackers
On Thu, Jun 28, 2012 at 08:17:53PM +0100, Peter Geoghegan wrote: > On 28 June 2012 20:00, Tom Lane <tgl@sss.pgh.pa.us> wrote: > > See VACUUM FULL for a recent counterexample --- we basically jacked it > > up and drove a new implementation underneath, but we didn't change the > > name, despite the fact that we were obsoleting a whole lot more folk > > knowledge than exists around commit_delay. > > > > Of course, there were application-compatibility reasons not to rename > > that command, which wouldn't apply so much to commit_delay. But still, > > we have precedent for expecting that we can fix external documentation > > rather than trying to code around whatever it says. > > I'm sure you're right to some degree. We can rely on some, maybe even > most users to go and learn about these things, or hear about them > somehow. But why should we do it that way, when what I've proposed is > so much simpler, and has no plausible downside? FYI, the release notes are the big place we should talk about this new, better behavior. -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. +