On Fri, Mar 5, 2010 at 7:09 AM, Cyril Scetbon <cscetbon.ext@xxxxxxxxxxxxxxxxxx> wrote: > Does anyone know what can be the differences between linux kernels 2.6.29 > and 2.6.30 that can cause this big difference (TPS x 7 !) > http://www.phoronix.com/scan.php?page=article&item=linux_2624_2633&num=2 I'm gonna guess those ones with huge TPC B throughput weren't properly fsyncing their data to the disks. to get that high of a number requires a disk subsystem that can commit 1300 or so changes a second, which a single disk can't really do. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
