| From: | "Jim C(dot) Nasby" <decibel(at)decibel(dot)org> |
|---|---|
| To: | Keaton Adams <kadams(at)mxlogic(dot)com> |
| Cc: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: WAL file utilization question |
| Date: | 2007-05-16 16:51:43 |
| Message-ID: | 20070516165143.GU14548@nasby.net |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
On Wed, May 16, 2007 at 10:49:04AM -0600, Keaton Adams wrote:
> So, if I do set the checkpoint_segments parameter to 50, 75, or even 100
> I will have a considerable number of WAL files in data/pg_xlog, but they
> will be used more efficiently, so I will be archiving less? That's what
> I understand from the comments received so far.
Yes. Let it create 500 or 1000 WAL files if it wants... it's much more
important to limit the frequency of checkpoints than to reduce the
number of WAL files (which has virtually no impact on performance).
--
Jim Nasby decibel(at)decibel(dot)org
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Keaton Adams | 2007-05-16 17:08:04 | Re: WAL file utilization question |
| Previous Message | Keaton Adams | 2007-05-16 16:49:04 | Re: WAL file utilization question |