On Mon, Oct 10, 2011 at 1:52 PM, Kevin Grittner <kevin.gritt...@wicourts.gov > wrote:
> alexandre - aldeia digital <adald...@gmail.com> wrote: > > > I came to the list to see if anyone else has experienced the same > > problem > > A high load average or low idle CPU isn't a problem, it's a > potentially useful bit of information in diagnosing a problem. I > was hoping to hear what the actual problem was, since I've had a few > problems in high RAM situations, but the solutions depend on what > the actual problems are. I don't suppose you saw periods where > queries which normally run very quickly (say in a millisecond or > less) were suddenly taking tens of seconds to run -- "stalling" and > then returning to normal? Because if I knew you were having a > problem like *that* I might have been able to help. Same for other > set of symptoms; it's just the suggestions would have been > different. And the suggestions would have depended on what your > system looked like besides the RAM. > > If you're satisfied with how things are running with less RAM, > though, there's no need. > The original question doesn't actually say that performance has gone down, only that cpu utilization has gone up. Presumably, with lots more RAM, it is blocking on I/O a lot less, so it isn't necessarily surprising that CPU utilization has gone up. The only problem would be if db performance has gotten worse. Maybe I missed a message where that was covered? I don't see it in the original query to the list.
