> If they cannot be optimized you can get about a 12% performance bump
> using UFS + directio
>
> http://blogs.sun.com/realneel/
Go re-read that blog entry:
If you do not penalize ZFS with double checksums, you can note
that we are within 6% of our best UFS number. So 6% gives
At a glance the system is reading on avg 80Mb/s and is approx 73% busy, with no
% wait. What is the max throughput of this capability of filesystem? Has it
been reached?
If the max throughput has been reached its time to probly take a look at your
queries to see if they can be further optimiz
my system is running oracle9i with ZFS and some statistic is strange. iostat
output is show disk is busy then i run iotop for find out what's process
consume io and sched is use more than other. please suggest me how to reduce
disk busy
many thanks
Pao.
[b]iostat output[/b]
r/sw/s kr