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SubjectRe: [PATCH] cfq-iosched: reduce write depth only if sync was delayed
Date
Corrado Zoccolo <czoccolo@gmail.com> writes:

> The numbers look good. Now, there is no penalty in having low_latency
> set for sequential writes, and just a small penalty for random ones.
> The fact that random reads are faster with low_latency set is interesting.
> Is the test is running with your patched tiobench (so that the number
> of random operations is comparable with sequential ones)?

No, I forgot all about that. The number of random operations defaults
to 4000, which is pretty low. I'll re-run the tests with a number
comparable to the sequential runs. Sorry about that.

Cheers,
Jeff


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