On Thu, 2007-10-04 at 17:02 -0400, Chuck Ebbert wrote: > On 10/04/2007 04:55 PM, David Miller wrote: > > > > Anything, I do mean anything, can be simulated using small test > > programs. > > How do you simulate reading 100TB of data spread across 3000 disks, > selecting 10% of it using some criterion, then sorting and summarizing > the result? Focus on the slab allocator usage, instrument it, record a trace, generate a statistical model that matches, and write a small programm/kernel module that has the same allocation pattern. Then verify this statistical workload still shows the same performance difference. Easy: no Doable: yes - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
