> Did you try turning barriers on or off *manually* (explicitly)? With > LSI and barriers *on* and ext4 I had less-optimal performance. With > Linux MD or (some) 3Ware configurations I had no performance hit.
They're off in fstab. /dev/sdd1 on /data type xfs (rw,noatime,nodiratime,nobarrier) -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
