Re: Evaluation of three I/O schedulers

Dave Hansen
2003-06-30T15:01:45Z

On Mon, 2003-06-30 at 07:21, Peter Wong wrote:
> The 8-way machine has Pentium 4 2.0 GHz processors, 16 GB physical
> memory, 2MB L3 cache, 8 FC controllers with 80 disks. Hyperthreading
> was turned on for the three runs. The CPU utilization is similar for all
> three runs: 65% user, 7% system and 28% idle.

Could you give us an idea of how greatly utilized your 10 fiber
controllers are? What about memory? Would a larger readahead be
beneficial?

--
Dave Hansen
haveblue@us.ibm.com