Re: linux, memory (mis)accounting/reporting, and the planner/optimizer

On Wed, 21 Jan 2009, Dave Youatt wrote:

> Does it just accept the configuration parameters provided (e.g. --
> shared_buffers, effective_cache_size, etc.)?

That's it.  The only time PostgreSQL gets a report from the OS related to
memory is if it makes an allocation attempt that fails.  Couldn't care
less what Linux thinks the rest of the time--unless the OOM killer goes on
a rampage, counts shared memory badly, and decides to kill a database
process that is.

--
* Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD