Re: [ceph-users] RBD+KVM problems with sequential read

[Konrad Gutkowski]

Hi,

W dniu 07.02.2014 o 08:14 Ирек Фасихов <malm...@gmail.com> pisze:

[...]

Why might such a low speed sequential read? Do ideas on this issue?

Iirc you need to set your readahead for the device higher (inside the vm) to compensate for network rtt.

blockdev --setra x /dev/vda

Thanks.

-- 

С уважением, Фасихов Ирек Нургаязович

Моб.: +79229045757

Regards,

Konrad Gutkowski

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