4 Nov
2007
4 Nov
'07
2:51 p.m.
On Sun, 2007-11-04 at 13:02 +0100, mikkel@euro123.dk wrote:
Write activity is about half that of read activity when measuring throughput. But when measuring operations it’s about 5-7 times as high (measured with zpool iostat on ZFS).
Have you tried with fsync_disable=yes? ZFS's fsyncing performance apparently isn't all that great. I'm guessing this is also the reason for the I/O stalls in your other mail.