Re: [GENERAL] feature: dynamic DB cache resizing

2005-12-05 Thread Scott Marlowe
On Mon, 2005-12-05 at 16:30, Ed L. wrote: > On Monday December 5 2005 3:17 pm, Tom Lane wrote: > > There isn't any particularly good reason to be resizing > > shared_buffers on the fly anyway; much easier to let the > > kernel adapt the size of its disk cache instead. Best > > practice for shared_

Re: [GENERAL] feature: dynamic DB cache resizing

2005-12-05 Thread Ed L.
On Monday December 5 2005 3:17 pm, Tom Lane wrote: > There isn't any particularly good reason to be resizing > shared_buffers on the fly anyway; much easier to let the > kernel adapt the size of its disk cache instead.  Best > practice for shared_buffers is to set it somewhere in the > range of 10K

Re: [GENERAL] feature: dynamic DB cache resizing

2005-12-05 Thread Tom Lane
Bruce Momjian writes: > Ed L. wrote: >> We have ~75 pgsql clusters running in environments where downtime >> comes at a premium cost. We often run multiple clusters on a >> single box, and find it necessary to adjust the size of the >> static DB cache as we add or move clusters. Unfortunately

Re: [GENERAL] feature: dynamic DB cache resizing

2005-12-05 Thread Bruce Momjian
Ed L. wrote: > We have ~75 pgsql clusters running in environments where downtime > comes at a premium cost. We often run multiple clusters on a > single box, and find it necessary to adjust the size of the > static DB cache as we add or move clusters. Unfortunately, that > means some downtime