Search Postgresql Archives

Re: Maximum reasonable free space map

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Dec 17, 2008 at 2:29 AM, Phillip Berry
<pberry@xxxxxxxxxxxxxxxxxx> wrote:
>
> The data in nearly every table is constantly changing due to a high volume of new data constantly
> coming in, processing on the existing data and heavy reporting being done all at once all day and
> night.
>
> So I guess my question is, is there a point where you start to see diminishing returns or even
> negative returns by setting the fsm too high?

I personally didn't experience anything like that.
If the data is updated, but not deleted mostly - you should do
something to utilize HOT (if using 8.3).
Otherwise, you want FSM to be big enough - so that more and more
deleted records could get reused without need for so often vacuum.

-- 
GJ

-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux