Re: [PERFORM] tuning on ec2

2011-05-12 Thread Josh Berkus
> Sounds like a reasonable starting point. You could certainly fiddle > around a bit - especially with shared_buffers - to see if some other > setting works better, but that should be in the ballpark. I tend to set it a bit higher on EC2 to discourage the VM from overcommitting memory I need. S

Re: [PERFORM] tuning on ec2

2011-05-11 Thread Robert Haas
On Tue, Apr 26, 2011 at 11:15 AM, Joel Reymont wrote: > I'm running pgsql on an m1.large EC2 instance with 7.5gb available memory. > > The free command shows 7gb of free+cached. My understand from the docs is > that I should dedicate 1.75gb to shared_buffers (25%) and set > effective_cache_size

[PERFORM] tuning on ec2

2011-04-26 Thread Joel Reymont
I'm running pgsql on an m1.large EC2 instance with 7.5gb available memory. The free command shows 7gb of free+cached. My understand from the docs is that I should dedicate 1.75gb to shared_buffers (25%) and set effective_cache_size to 7gb. Is this correct? I'm running 64-bit Ubuntu 10.10, e.g