On Wed, Aug 4, 2010 at 9:47 PM, Alex V. Petrov <[email protected]> wrote: ... >> > vfs.zfs.cache_flush_disable=1 >> > vfs.zfs.zil_disable=1 >> >> I question both of these settings, especially the latter. Please remove >> them both and re-test your write performance. > > I removed all settings of zfs. > Now it default. >
ZFS would throttle writes if it thinks that not enough memory is available. Did you by any chance tinker with VM parameters, too? Could you post output of following commands? sysctl vm |grep kmem sysctl vfs.zfs sysctl kstat.zfs (before and after after you do some of your write speed tests) --Artem _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
