| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Ants Aasma <ants(at)cybertec(dot)at> |
| Cc: | Andres Freund <andres(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: WAL CPU overhead/optimization (was Master-slave visibility order) |
| Date: | 2013-09-03 15:27:36 |
| Message-ID: | CA+TgmobO+KXYXbuRQb7G1ktZoxtSTfDo-yBNdN2Duq4ZvSYZZQ@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Thu, Aug 29, 2013 at 8:22 PM, Ants Aasma <ants(at)cybertec(dot)at> wrote:
> I might give it a shot later this cycle as I have familiarized my self
> with the problem domain anyway. I understand the appeal of staying
> with what we have, but this would cap the speedup at 4x and has large
> caveats with the extra lookup tables. A 28x speedup might be worth the
> extra effort.
I agree. However, on the flip side, a bird in the hand is worth two
in the bush. A patch that just does the same thing faster is likely
to be less controversial than changing the algorithm, and does not
preclude changing the algorithm later.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Robert Haas | 2013-09-03 15:40:57 | Re: logical changeset generation v5 |
| Previous Message | Robert Haas | 2013-09-03 15:24:25 | Re: [9.3 doc fix] clarification of Solaris versions |