On Thu, 2007-11-29 at 16:14 +, Simon Riggs wrote:
> On Thu, 2007-11-29 at 10:10 -0500, Brad Nicholson wrote:
> > I have a legacy system still on 7.4 (I know, I know...the upgrade is
> > coming soon).
> >
> > I have a fairly big spike happening once a day, every day, at the same
> > time. It
On Thu, 2007-11-29 at 10:10 -0500, Brad Nicholson wrote:
> I have a legacy system still on 7.4 (I know, I know...the upgrade is
> coming soon).
>
> I have a fairly big spike happening once a day, every day, at the same
> time. It happens during a checkpoint, no surprise there. I know the
> solut
On Thu, Nov 29, 2007 at 10:10:54AM -0500, Brad Nicholson wrote:
> This is a _really _low volume system, less than 500 writes/hour. Normal
> operation sees checkpoint related spikes of around 200-300 milliseconds.
> We always checkpoint at the checkpoint timeout (every 5 minutes).
> During this one
I have a legacy system still on 7.4 (I know, I know...the upgrade is
coming soon).
I have a fairly big spike happening once a day, every day, at the same
time. It happens during a checkpoint, no surprise there. I know the
solution to the problem (upgrade to a modern version), but what I'm
lookin
