| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Gregory Stark <stark(at)enterprisedb(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jim Nasby <decibel(at)decibel(dot)org>, Josh Berkus <josh(at)agliodbs(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: 8.2 is 30% better in pgbench than 8.3 |
| Date: | 2007-07-24 03:23:39 |
| Message-ID: | 46A570BB.2010202@commandprompt.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Gregory Stark wrote:
> "Alvaro Herrera" <alvherre(at)commandprompt(dot)com> writes:
>
>>> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
>>>> I am taking the liberty to also lower the vacuum and analyze threshold
>>>> default values to 50, per previous discussion.
>
> Did we also reach any consensus about lowering the percentage of dead tuples
> in a table before we trigger vacuum? I think 20% is way too high and 5% is
> saner. I actually think it would be better even lower but would be ok with 5%.
I think that 5-10% is reasonable, 20% is way to high.
Joshua D. Drake
--
=== The PostgreSQL Company: Command Prompt, Inc. ===
Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240
Providing the most comprehensive PostgreSQL solutions since 1997
http://www.commandprompt.com/
Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate
PostgreSQL Replication: http://www.commandprompt.com/products/
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Tatsuo Ishii | 2007-07-24 04:04:10 | avoiding WAL logging in 8.3 |
| Previous Message | Gregory Stark | 2007-07-24 02:46:17 | Re: 8.2 is 30% better in pgbench than 8.3 |