Re: system cache and buffer cache - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: system cache and buffer cache
Date
Msg-id 450FF7CD.6010603@enterprisedb.com
Whole thread Raw
In response to Re: system cache and buffer cache  (Praveen Kumar N <praveen_n@students.iiit.net>)
Responses Re: system cache and buffer cache  (Simon Riggs <simon@2ndquadrant.com>)
List pgsql-hackers
Praveen Kumar N wrote:
> Buffer cache is implemented using bufferpool right(I mean in the main 
> memory).

Yes. It's in shared memory, size is controlled by the shared_buffers 
configuration parameter.

> how about system cache? Can we control the size of system cache?

It's in backend-private memory. I don't remember how it's sized.

-- 
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com


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