On Mon, Nov 18, 2013 at 12:40 PM, Brian Wong <bwon...@hotmail.com> wrote:
> We'd like to seek out your expertise on postgresql regarding this error > that we're getting in an analytical database. > > Some specs: > proc: Intel Xeon X5650 @ 2.67Ghz dual procs 6-core, hyperthreading on. > memory: 48GB > OS: Oracle Enterprise Linux 6.3 > postgresql version: 9.1.9 > shared_buffers: 18GB > > After doing a lot of googling, I've tried setting FETCH_COUNT on psql > AND/OR setting work_mem. I'm just not able to work around this issue, > unless if I take most of the MAX() functions out but just one. > What is your work_mem set to? Did testing show that shared_buffers set to 18GB was effective? That seems about 2 to 3 times beyond what you probably want.