On 22/12/2011 03:05, Mark Felder wrote:
more benchmarks and I might switch the scheduler to 4BSD because this box will be doing nothing but I/O and network traffic and my research indicates ULE is not optimal in that type of a workload.
Thanks for testing the new gmultipath patches! I just want to say that you should test 4BSD/ULE very carefully before making any conclusions because ULE fails in very, very specific edge cases which are not very common. I've done this 4BSD/ULE test just for laughs on an network IO-intensive workload on a 24-core machine and the performance with 4BSD was laughably slow (which is expected as it is of a very old design).
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