| From: | Hervé Piedvache <herve(at)elma(dot)fr> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org, josh(at)agliodbs(dot)com |
| Cc: | Shridhar Daithankar <shridhar(at)frodo(dot)hserus(dot)net>, Hervé Piedvache <footcow(at)noos(dot)fr> |
| Subject: | Re: Insert are going slower ... |
| Date: | 2004-07-16 11:17:02 |
| Message-ID: | 200407161317.02515.herve@elma.fr |
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| Lists: | pgsql-performance |
Josh,
Le jeudi 15 Juillet 2004 20:09, Josh Berkus a écrit :
> > I suggest you check this first. Check the performance tuning guide..
> >
> > http://www.varlena.com/varlena/GeneralBits/Tidbits/index.php
> >
> > That is a starters. As Josh suggested, increase checkpoint segments if
> > you
>
> have
>
> > disk space. Correspondingly WAL disk space requirements go up as well.
>
> Well, not if he has fsync=off. But having fsync off is a very bad idea.
> You do realize, Herve', that if you lose power on that machine you'll most
> likely have to restore from backup?
Hum ... it's only for speed aspect ... I was using postgresql with this option
since 7.01 ... and for me fsync=on was so slow ...
Is it really no time consuming for the system to bring it ON now with
v7.4.3 ??
Tell me ...
--
Hervé Piedvache
Elma Ingénierie Informatique
6 rue du Faubourg Saint-Honoré
F-75008 - Paris - France
Pho. 33-144949901
Fax. 33-144949902
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