On Thu, Sep 14, 2006 at 11:23:01AM -0400, Francisco Reyes wrote: > My setup: > Freebsd 6.1 > Postgresql 8.1.4 > Memory: 8GB > SATA Disks > > Raid 1 10 spindles (2 as hot spares) > 500GB disks (16MB buffer), 7200 rpm > Raid 10 > > Raid 2 4 spindles > 150GB 10K rpm disks > Raid 10 > > shared_buffers = 10000 > temp_buffers = 1500 > work_mem = 32768 # 32MB > maintenance_work_mem = 524288 # 512MB > > checkpoint_segments = 64 > Just increased to 64 today.. after reading this may help. Was 5 before. > > pg_xlog on second raid (which sees very little activity) BTW, on some good raid controllers (with battery backup and write-caching), putting pg_xlog on a seperate partition doesn't really help, so you might want to try combining everything. Even if you stay with 2 partitions, I'd cut pg_xlog back to just a simple mirror. -- Jim Nasby jimn@xxxxxxxxxxxxxxxx EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
