Franck Routier wrote:
Hi, I am in the process of setting up a postgresql server with 12 SAS disks. I am considering two options: 1) set up a 12 disks raid 10 array to get maximum raw performance from the system and put everything on it (it the whole pg cluster, including WAL, and every tablespcace) 2) set up 3 raid 10 arrays of 4 disks, and dispatch my data on these disks via tablespaces : data1 = pg cluster + references data (dimensions) tablespace data2 = fact data tablespace data3 = indices tablespace
Option 2: Infact I would also say within one of the RAID1 use another softpartition and separate out pg_xlog also.
My 2 cents based on my benchmarks. -Jignesh ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
