| From: | "Dave Page" <dpage(at)pgadmin(dot)org> |
|---|---|
| To: | Justin <justin(at)emproshunts(dot)com> |
| Cc: | "Merlin Moncure" <mmoncure(at)gmail(dot)com>, Sabbiolina <sabbiolina(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [PERFORM] Memory question on win32 systems |
| Date: | 2008-05-29 16:03:06 |
| Message-ID: | 937d27e10805290903o6a227d69k5ad3dda5a920390d@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, May 29, 2008 at 4:52 PM, Dave Page <dpage(at)pgadmin(dot)org> wrote:
> On Thu, May 29, 2008 at 4:45 PM, Justin <justin(at)emproshunts(dot)com> wrote:
>>
>> Then what is the purpose of shared buffers if nothing is being reused is it
>> only used to keep track locks, changes and what is to being spooled to the
>> kernel???
>
> It caches disk pages (and holds other data structures), not query results.
Oops, misread that. Shared *buffers* is disk pages. Shared memory
holds the buffers and other stuff as well.
--
Dave Page
EnterpriseDB UK: http://www.enterprisedb.com
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