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Disk and shared buffer cache use - Mailing list pgsql-novice

From Chamara Gunaratne
Subject Disk and shared buffer cache use
Date
Msg-id db0a7ed90705081229u49f3c8f8v3c1b0a5d15abd3fb@mail.gmail.com
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Responses Re: Disk and shared buffer cache use
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Hello All,
Is there a way to determine the percentage of data found in the shared
buffer cache when running a query in PostgreSQL 7.4? Or to put it in
another way, how do you measure the effectiveness of the shared buffer
cache?

I read through several sites on PostgreSQL performance tuning, but
couldn't find a method to measure this.
Thank you,

Chamara

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