Ron Mayer wrote:
> Heikki Linnakangas wrote:
>> Luke Lonergan wrote:
>>> Vacuum is a better thing to run, much less CPU usage.
>> Vacuum is actually not good for this purpose, because it's been
>> special-cased to not bump the usage count.
>
> Though the OS's page cache will still see it as accesses, no?
Yes, if the pages were not already in shared buffers.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com