Обсуждение: Postgres Performance
Dear All,
I am using postgres 7.0 with linux with 15 GB of database & 3 gb of RAM.
Can anyone suggest what is the best setting for postgres. I am using postgres as web db.
Regards
aftab
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Aftab Alam wrote: > > Dear All, > > > > I am using postgres 7.0 with linux with 15 GB of database > & 3 gb of RAM. > > Can anyone suggest what is the best setting for postgres. I am using > postgres as web db. > > I'm going to assume/hope that you mean 8.0. Even then, you would be well advised to upgrade. 8.0 is over three years old and no amount of tuning will make it as fast as the newer releases. Then look at http://www.google.com/search?q=postgresql+tuning The Varlena articles are good even if dated. After reading a few pages and trying a bit of experimentation, check back with unanswered questions. Nobody can recommend a "best setting" without a thorough understanding of your workload. Or even if they do - guidelines/suggestions is the best you will find. Cheers, Steve
> I am using postgres 7.0 with linux with 15 GB of database & > 3 gb of RAM. Can anyone suggest what is the best setting > for postgres. I am using postgres as web db. You mentioned elsewhere that you are getting 2,000 hits/day. I don't know the nature of your web app but typical web apps involve pretty simple transactions. Even with an average of 10 database transactions per hit, your average is less than 0.25 TPS - several orders of magnitude lower than the likely capacity of your hardware. If you are experiencing performance problems I think that you may need to look into more than the config file: 1. Are you vacuuming regularly? If not, you may need a vacuum full followed by regular vacuuming. 2. Have you established appropriate indexes? 3. Are you running analyze to allow the planner to use the indexes you created? Cheers, Steve
On Wed, Mar 19, 2008 at 11:38 PM, Aftab Alam <aalam@tsrdarashaw.com> wrote: > > Dear All, > > I am using postgres 7.0 with linux with 15 GB of database & 3 gb > of RAM. > > Can anyone suggest what is the best setting for postgres. I am using > postgres as web db. If you really are running 7.0 you need to look at upgrading. That version has known data eating bugs that will not be fixed.