On Tue, Feb 17, 2009 at 5:15 PM, Matthew Wakeling <matthew@xxxxxxxxxxx> wrote: > On Tue, 17 Feb 2009, Rajesh Kumar Mallah wrote: >> >> sda6 --> xfs with default formatting options. >> sda7 --> mkfs.xfs -f -d sunit=128,swidth=512 /dev/sda7 >> sda8 --> ext3 (default) >> >> it looks like mkfs.xfs options sunit=128 and swidth=512 did not improve >> io throughtput as such in bonnie++ tests . >> >> it looks like ext3 with default options performed worst in my case. > > Of course, doing comparisons using a setup like that (on separate > partitions) will skew the results, because discs' performance differs > depending on the portion of the disc being accessed. You should perform the > different filesystem tests on the same partition one after the other > instead. point noted . will redo the test on ext3. > > Matthew > > -- > "We did a risk management review. We concluded that there was no risk > of any management." -- Hugo Mills <hugo@xxxxxxxxxxxxxxxxxxxx> > > -- > Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-performance > -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
