[HACKERS] system cache and buffer cache

[Praveen Kumar N]

Hi,
	can anybody explain me what is the difference between system cache 
and buffer cache?

I found that keywords in PostgreSql FAQ 
http://www.postgresql.org/docs/faqs.FAQ_DEV.html#item2.1

thanks in advance.

Regards,
--
 N Praveen Kumar

        Imagination is more important than knowledge...
                                --Albert Einstein


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