[sheepdog-users] cache performance test

[Joseph Glanville]

Deadline is good but on faster systems you are better off with noop.
Especially if there is a RAID card or SSDs involved.

On Wed, Jun 26, 2013 at 11:03 AM, Gao Yongwei <itxx00 at gmail.com> wrote:
>
>
>
> 2013/6/25 Valerio Pachera <sirio81 at gmail.com>
>>
>> 2013/6/25 Liu Yuan <namei.unix at gmail.com>:
>> > what is the number of the new test against above combination?
>>
>> I'm getting different value, between 40 and 110 MB/s but I can't
>> always reproduce the same value.
>> I'll report the value as soon as I'm able to have them repeated.
>>
>> Elevator (io-scheduler) matters only on the guest or also on the host?
>
> According to my experience,using deadline on the host can reduce the disk io
> wait a lot.
>
> --
> sheepdog-users mailing lists
> sheepdog-users at lists.wpkg.org
> http://lists.wpkg.org/mailman/listinfo/sheepdog-users
>