On Fri 14 Aug 2015 01:34:50 AM CEST, Peter Lieven wrote:
>>> IOPS limit does not work for VIRTIO devices if the disk workload is
>>> a sequential write.
>> This is probably due to I/O request merging:
>>
>> Your benchmark application may generate 32 x 4KB write requests, but
>> they are merged
Am 10.08.2015 um 11:59 schrieb Stefan Hajnoczi :
> On Mon, Aug 10, 2015 at 12:15:25AM -, James Watson wrote:
>> IOPS limit does not work for VIRTIO devices if the disk workload is a
>> sequential write.
>>
>> To confirm:
>> IDE disk devices - the IOPS limit works fine. Disk transfer speed l
On Mon, Aug 10, 2015 at 12:15:25AM -, James Watson wrote:
> IOPS limit does not work for VIRTIO devices if the disk workload is a
> sequential write.
>
> To confirm:
> IDE disk devices - the IOPS limit works fine. Disk transfer speed limit works
> fine.
> VIRTIO disk devices - the IOPS limit
Public bug reported:
Root Problem:
IOPS limit does not work for VIRTIO devices if the disk workload is a
sequential write.
To confirm:
IDE disk devices - the IOPS limit works fine. Disk transfer speed limit works
fine.
VIRTIO disk devices - the IOPS limit works fine for random IO (write/read) a
