[kernel-xen] kernel-xen-3.11.0-1 in testing repo.

[Steven Haigh]

On 3/10/2013 1:00 PM, Adi Pircalabu wrote:
> On Sun, 22 Sep 2013 17:58:41 +1000
> Steven Haigh wrote:
> 
>> On 17/09/2013 12:05 PM, Glenn Enright wrote:
>>> On 09/17/13 13:56, Steven Haigh wrote:  
>>>> On 17/09/13 11:30, Glenn Enright wrote:  
>>>>> Preliminary (very) testing seems to indicate a good boost (using
>>>>> 3.11.1)
> [...]
> 
> From the book of "better late than never" here's my feedback using
> 3.11.2 on both dom0 and domU using xen-blkfront.max=128 in domU:
> 1. Disk throughput has improved from ~135MB/s to ~155MB/s running
> "dd if=/dev/zero of=/tmp/960M bs=64M count=15 oflag=dsync"
> 2. The time spent by CPU in iowait state dropped from ~15.7% to ~7%
> 
> The box is a Dell Poweredge 1950 with a Perc 6/i adapter with 4
> SEAGATE ST9300603SS configured as RAID 10. It's a relatively busy
> MySQL database server with ~260 InnoDB inserts per second and
> query cache disabled.

Good to hear! This is pretty much what I would expect most people to see
- obviously the degree of improvement will be very variable - but just
about everyone should see a decent improvement...

-- 
Steven Haigh

Email: netwiz at crc.id.au
Web: https://www.crc.id.au
Phone: (03) 9001 6090 - 0412 935 897
Fax: (03) 8338 0299

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