Re: Simple postgresql.conf wizard
От | Simon Riggs |
---|---|
Тема | Re: Simple postgresql.conf wizard |
Дата | |
Msg-id | 1226660879.27904.518.camel@ebony.2ndQuadrant обсуждение исходный текст |
Ответ на | Re: Simple postgresql.conf wizard (Gregory Stark <stark@enterprisedb.com>) |
Список | pgsql-hackers |
On Fri, 2008-11-14 at 02:21 +0000, Gregory Stark wrote: > Simon Riggs <simon@2ndQuadrant.com> writes: > > > Your factual comments are accurate, but for Josh's stated target of Data > > Warehousing, a stats target of 400 is not unreasonable in some cases. > > What you forget to mention is that sample size is also determined by > > stats target and for large databases this can be a more important > > consideration than the points you mention. > > Even for data warehousing I would not recommend setting it as a *default* > statistics target, at least not without verifying that it doesn't cause any > problems. I agree with you that it would be likely misused by many people, simply because the term "data warehouse" is a very loosely defined concept. -- Simon Riggs www.2ndQuadrant.comPostgreSQL Training, Services and Support
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