>>>>> "JA" == John Allgood <[EMAIL PROTECTED]> writes:
JA> I am planning on separating the OS, Data, WAL on to separate drives JA> which will be mirrored. I am looking for input on setting kernel parameters, JA> and Postgres server runtime parameters and other settings relating to I did a bunch of testing with different RAID levels on a 14 disk array. I finally settled on this: RAID5 across 14 disks for the data, the OS (including syslog directory) and WAL on a RAID1 pair on the other channel of the same controller (I didn't want to spring for dual RAID controllers). The biggest bumps in performance came from increasing the checkpoint_buffers since my DB is heavily written to, and increasing sort_mem. -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Vivek Khera, Ph.D. Khera Communications, Inc. Internet: [EMAIL PROTECTED] Rockville, MD +1-301-869-4449 x806 AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/ ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])
