I am using Postgres 8.1.4 on Linux. I am interested in the calculating the
following for a specific application:
How long it takes the operating system to fulfil a page demand, ie, reading the
page from disk or from the OS cache to the Postgres shared buffer.
Also how long it takes the bgwriter to flush a page from the shared buffer into
the OS cache or disk.
These can be averages or detailed info that I can analyze with other tools
Are there any functions/views available that log this information, if not how
should I change the source code.
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