| From: | Jim Nasby <decibel(at)decibel(dot)org> |
|---|---|
| To: | Csaba Nagy <nagy(at)ecircle-ag(dot)com> |
| Cc: | Francisco Reyes <lists(at)stringsutils(dot)com>, Postgres general mailing list <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Disadvantages on having too many page slots? |
| Date: | 2007-04-30 12:42:44 |
| Message-ID: | 993EB07C-F6E1-4816-912F-6CEA5D218568@decibel.org |
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| Lists: | pgsql-general |
On Apr 18, 2007, at 4:39 PM, Csaba Nagy wrote:
>> Other than hard disk space, are there any disadvantages on
>> having a large number of page slots?
>
> It's not using hard disk space, it's using shared memory, so you might
> want to adjust it to make that memory available for other purposes...
AFAIK, the FSM is written out during a clean shutdown... so from that
standpoint it does take disk space. But obviously the memory usage is
the only real concern.
--
Jim Nasby jim(at)nasby(dot)net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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