Re: max_standby_delay considered harmful

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndQuadrant.com>
To: Dimitri Fontaine <dfontaine@hi-media.com>
Cc: Florian Pflug <fgp@phlo.org>, Greg Smith <greg@2ndquadrant.com>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@postgreSQL.org
Date: 2010-05-06T14:24:54Z
Lists: pgsql-hackers
On Thu, 2010-05-06 at 16:09 +0200, Dimitri Fontaine wrote:
> Simon Riggs <simon@2ndQuadrant.com> writes:
> > It would be easier to implement a conflict resolution plugin that is
> > called when a conflict occurs, allowing users to have a customisable
> > mechanism. Again, I have no objection to that proposal.
> 
> To implement, if you say so, no doubt. To use, that means you need to
> install a contrib module after validation that the trade offs there are
> the one you're interested into, or you have to code it yourself. In C.
> 
> I don't see that as an improvement over what we have now. Our main
> problem seems to be the documentation of the max_standby_delay, where we
> give the impression it's doing things the code can not do. IIUC.

I meant "easier to implement than what Florian suggested".

The plugin would also allow you to have the pause/resume capability.

-- 
 Simon Riggs           www.2ndQuadrant.com