On Wed, Sep 03, 2014 at 12:15:28AM +0200, Nikolay Denev wrote: > I see you have 108G free memory. Is this due to a recent reboot and > the ARC hasn't grown much yet, or you are limiting it?
not doing anything to it - it's running defaults. Two virtual machines are running. > As for ZFS tuning for bhyve, I'm not aware of anything specific, but > you should consider that values you want to put for the zvols for > primarycache and secondarycache. (In your case only primarycache as > you don't have L2ARC). ok, thanks. > Leaving this to the default might be faster but might result in double > caching: Once in the ARC on the host system, and then on the buffer > cache of the UFS guest. ok - will look to see how to turn off double buffering > For MySQL and databases in general, as far as I can remember the > general advice was to run them on zfs datasets with lower reclen, like > 8k for example. > Here you have zvols which default to 8k but the vtbd device reports > 512b sectors, not sure if you try to trick it into using larger values > here wouldn't help. > Also different UFS block sizes for different zvol recordlens might be > interesting test. Thanks again for the advice -- John _______________________________________________ freebsd-virtualization@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "freebsd-virtualization-unsubscr...@freebsd.org"
