| From: | "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com> |
|---|---|
| To: | "Csaba Nagy" <nagy(at)ecircle-ag(dot)com> |
| Cc: | "Stephen Denne" <Stephen(dot)Denne(at)datamail(dot)co(dot)nz>, "Hannu Krosing" <hannu(at)krosing(dot)net>, <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Core team statement on replication in PostgreSQL |
| Date: | 2008-06-04 11:17:55 |
| Message-ID: | 484679E3.2040202@enterprisedb.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-advocacy pgsql-hackers |
Csaba Nagy wrote:
> On Wed, 2008-06-04 at 11:13 +0300, Heikki Linnakangas wrote:
>> Hmm, WAL version compatibility is an interesting question. Most minor
>> releases hasn't changed the WAL format, and it would be nice to allow
>> running different minor versions in the master and slave in those cases.
>> But it's certainly not unheard of to change the WAL format. Perhaps we
>> should introduce a WAL version number, similar to catalog version?
>
> Would that also cover possible differences in page size, 32bit OS vs.
> 64bit OS, different timestamp flavour, etc. issues ? AFAIR, all these
> things can have an influence on how the data is written and possibly
> make the WAL incompatible with other postgres instances, even if the
> exact same version...
These are already covered by the information in pg_control.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Heikki Linnakangas | 2008-06-04 11:19:42 | Re: Core team statement on replication in PostgreSQL |
| Previous Message | Csaba Nagy | 2008-06-04 10:58:53 | Re: Core team statement on replication in PostgreSQL |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Heikki Linnakangas | 2008-06-04 11:19:42 | Re: Core team statement on replication in PostgreSQL |
| Previous Message | Csaba Nagy | 2008-06-04 10:58:53 | Re: Core team statement on replication in PostgreSQL |