Messages in this thread | | | Subject | Re: Evaluation of three I/O schedulers | From | Dave Hansen <> | Date | 30 Jun 2003 08:15:51 -0700 |
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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
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