| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com> |
| Cc: | "Postgres Hackers" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Concurrent VACUUM and ANALYZE |
| Date: | 2008-07-22 02:19:21 |
| Message-ID: | 20922.1216693161@sss.pgh.pa.us |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
"Jonah H. Harris" <jonah(dot)harris(at)gmail(dot)com> writes:
> The case I'm looking at is a large table which requires a lazy vacuum,
> and a zero vacuum cost delay would cause too much I/O. Yet, this
> table has enough insert/delete activity during a vacuum, that it
> requires a fairly frequent analysis to maintain proper plans. I
> patched as mentioned above and didn't run across any unexpected
> issues; the only one expected was that mentioned by Alvaro.
I don't find this a compelling argument, at least not without proof that
the various vacuum-improvement projects already on the radar screen
(DSM-driven vacuum, etc) aren't going to fix your problem.
regards, tom lane
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Jonah H. Harris | 2008-07-22 02:51:33 | Re: Concurrent VACUUM and ANALYZE |
| Previous Message | Jonah H. Harris | 2008-07-22 01:39:02 | Re: Concurrent VACUUM and ANALYZE |