> We use ZFS and use SSDs for both the log device and > L2ARC. All disks > and SSDs are behind a 3ware with BBU in single disk > mode. Out of curiosity why do you put your log on SSD? Log is all sequential IOs, an area in which SSD is not any faster than HDD. So I'd think putting log on SSD wouldn't give you any performance boost. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
