| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Greg Sabino Mullane <greg(at)turnstep(dot)com> |
| Subject: | Re: Overhead cost of Serializable Snapshot Isolation |
| Date: | 2011-10-11 20:55:24 |
| Message-ID: | CA+U5nMLAu=AczR8hs2hbNVsRfx_m4cvG7aCj+wpi_v5rXXS8Tw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Oct 11, 2011 at 9:37 PM, Kevin Grittner
<Kevin(dot)Grittner(at)wicourts(dot)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/
PostgreSQL Development, 24x7 Support, Training & Services
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