Re: Overhead cost of Serializable Snapshot Isolation

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndQuadrant.com>

To: Kevin Grittner <Kevin.Grittner@wicourts.gov>

Cc: pgsql-hackers <pgsql-hackers@postgresql.org>, Greg Sabino Mullane <greg@turnstep.com>

Date: 2011-10-11T20:55:24Z

Lists: pgsql-hackers

On Tue, Oct 11, 2011 at 9:37 PM, Kevin Grittner
<Kevin.Grittner@wicourts.gov> wrote:

> It would certainly be a trivial change to
> implement; the problem is convincing others that it's a good idea.

I don't want it, I just think we need it now. "You'll have to retest
your apps" just isn't a good answer and we should respect the huge
cost that causes our users.

Probably as a matter of policy all new features that effect semantics
should have some kind of compatibility or off switch, if easily
possible.

-- 
 Simon Riggs                   http://www.2ndQuadrant.com/
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