Re: [SPAM] [PERFORM] OS cache management

On Wed, Sep 6, 2017 at 9:45 PM, Moreno Andreo <moreno.andreo@evolu-s.it> wrote:

Il 06/09/2017 10:12, Soni M ha scritto:

Let's say I have 10 year data, and commonly used data only the last 1 year. This data is quite big, so each table and index file is divided into several file in PGDATA/base

May not be relevant to what you asked, but if you want to keep last yeat data in a "small and fast" dataset separated (physically separated!) by old data (that's still available, but response times may vary), IMHO you should consider partitioning...
https://www.postgresql.org/docs/current/static/ddl-partitioning.html

HTH,
Moreno.-



--
Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance