On Wed, May 20, 2009 at 3:11 PM, Gerhard Wiesinger <lists@xxxxxxxxxxxxx> wrote: > Hello! > > Is HOT in 8.3 used in the following scenario: > INSERT ... > DELETE ... > at the same ratio. > > So for example current data is added every minute and all old data older > than 2 years are deleted. > > Would the heap be bloated or is this avoided by the HOT feature of 8.3 and > nearly kept constant? HOT doesn't help here...it only helps with updates and then only if you are updating fields that are not indexed. if your table has a rolling set of data, for example a log file...you probably want to look at table partitioning (either manual or built in). merlin -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general