From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
---|---|
To: | Francisco Reyes <lists(at)stringsutils(dot)com> |
Cc: | PostgreSQL general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Disadvantages on having too many page slots? |
Date: | 2007-04-18 16:32:31 |
Message-ID: | 4626481F.1020602@commandprompt.com |
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Thread: | |
Lists: | pgsql-general |
Francisco Reyes wrote:
> At one point the databases we had in a machine used 10 million plus page
> slots. We made the number of page slots 14 million.
>
> After a few large system were phased out we now only use about 2 million
> page slots. Other than hard disk space, are there any disadvantages on
> having a large number of page slots?
They use shared memory.
>
>
> DETAIL: A total of 2233472 page slots are in use (including overhead).
> 2233472 page slots are required to track all free space.
> Current limits are: 14000000 page slots, 1000 relations, using 82096 KB.
>
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