Re: hundreds of schema vs hundreds of databases

From: Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: hundreds of schema vs hundreds of databases
Date: 2007-05-30 07:07:38
Message-ID: 465D22BA.8040406@cox.net
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On 05/30/07 01:38, Albe Laurenz wrote:
> Ron Johnson wrote:
>> Does PG set up buffers at the postmaster level or the database level?
>>
>> If at the database level, then you'll be allocating memory to
>> databases that might not be in use at any one time, thus wasting it.
>> One database buffer pool would make more efficient use of RAM.
>
> Shared memory is allocated at the cluster level.
> See
> http://www.postgresql.org/docs/current/static/runtime-config-resource.ht
> ml#RUNTIME-CONFIG-RESOURCE-MEMORY

I read that page, but don't see any references to "cluster level".
Maybe I am misinterpreting "cluster"?

--
Ron Johnson, Jr.
Jefferson LA USA

Give a man a fish, and he eats for a day.
Hit him with a fish, and he goes away for good!

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