On Wed, Jun 13, 2007 at 07:45:50PM -0400, Douglas Allan Tutty wrote: > On Wed, Jun 13, 2007 at 01:28:31PM -0400, Scott Gifford wrote: > > Douglas Allan Tutty <[EMAIL PROTECTED]> writes: > > > On Tue, Jun 12, 2007 at 06:05:08PM +0200, Arnau wrote: > > > > > >> In fact what I really want to do is > > >> monitor how much memory PostgreSQL is using. > > > > > > What about top? If you need to, you can limit top to a list of PIDs > > > > top has the same issues as ps: you can't tell what memory is shared > > between processes. > > > > I think I'm beginning to understand: e.g. 10 postgres processes, each > saying its using e.g. 100 MB VIRT yet 1 GB is not being used. > > What is needed is something that does for VM as du does for diskspace. > > That would be a most useful tool, especially on boxes with low free > memory.
http://lwn.net/Articles/230975/ its not the article I was looking for (which actually shows you how to do the calculations...), but its pretty cool A
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