Re: ATAPI CD-R lags system to hell burning in DAO mode; but not in TAO

[Aaron Lehmann]

On Wed, Jul 31, 2002 at 02:05:30PM -0700, Andrew Morton wrote:
> This is presumably because the machine is full of memory which
> is dirty against a slooow device.

I don't seem to have sysctl support in my kernel right now, so I can't
verify this until I reboot.

I did notice that both cdrdao and cdrdao set realtime scheduling
priority. I thought this would surely answer everything, but burning
as an unprivileged user causes the same interactvity (and NFS
throughput) problems as before.