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 ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
