Re: Shared Buffers - Mailing list pgsql-general

Siddharth Shah wrote:
>
> Hello All,
> How Postgres Maintains data in Shared Buffer
>
> Does It maintains queried data in memory or table data and Next time
> how postgres fetch data from memory
> rather than disk
> Which algorithm is used for storing data how data is indexed in shared
> buffers
>
> Thanks
> Siddharth
Take a look at

http://www.westnet.com/~gsmith/content/postgresql/InsideBufferCache.pdf

http://postgresql.mirrors-r-us.net/files/documentation/books/aw_pgsql/hw_performance/node3.html

--Ashish