Re: io-scheduler tuning for better read/write ratio

From: Casey Dahlin
Date: Tue Jun 16 2009 - 14:46:31 EST

On 06/16/2009 02:40 PM, Ralf Gross wrote:
> David Newall schrieb:
>> Ralf Gross wrote:
>>> write throughput is much higher than the read throughput (40 MB/s
>>> read, 90 MB/s write).
> Hm, but I get higher read throughput (160-200 MB/s) if I don't write
> to the device at the same time.
> Ralf

How specifically are you testing? It could depend a lot on the particular access patterns you're using to test.

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