On Tue, Jan 25, 2005 at 06:06:23PM +0900, ITAGAKI Takahiro wrote:
> Environment:
> OS : Linux kernel 2.6.9
> CPU : Pentium 4 3GHz
> disk : ATA 5400rpm (Data and WAL are placed on same partition.)
> memory : 1GB
> config : shared_buffers=10000, wal_buffers=256,
> XLOG_SEG_SIZE=256MB, checkpoint_segment=4
Hi Itagaki,
In light of this thread, have you compared the performance on
Linux-2.4?
Direct io on block device has performance regression on 2.6.x kernel
http://www.ussg.iu.edu/hypermail/linux/kernel/0503.1/0328.html
Mark