[Openstack-operators] [Openstack] [openstack][SWIFT] I want to talk about costs !! (against amazon S3)

Adam Lawson alawson at aqorn.com
Wed Apr 30 19:54:48 UTC 2014


Basically, a 10TB cluster, using the above calcs, saves a client
~$3500/year compared to using AWS. And that's a pretty small cluster. Scale
that out significantly and you end up with some pretty impressive cost
savings.

Mahalo,
Adam


*Adam Lawson*
AQORN, Inc.
427 North Tatnall Street
Ste. 58461
Wilmington, Delaware 19801-2230
Toll-free: (844) 4-AQORN-NOW
Direct: +1 (302) 268-6914



On Wed, Apr 30, 2014 at 12:40 PM, Adam Lawson <alawson at aqorn.com> wrote:

> Alejandro,
>
> Maybe this will help you. It's a cost analysis we did for one of our large
> clients who were using S3 heavily and considering a move to Swift. We did
> the analysis to determine if it was worth the investment and confirm how
> the underlying infrastructure (phys/virt) impacted the final cost of
> service. It was then easy to compare those numbers against AWS so their
> leadership could assess whether the savings were worth the effort. Because
> there were definitely savings.
>
> Analysis completed about a month ago. Conclusion? Running Swift on virtual
> infrastructure wasn't worth it (too expensive), running even a small Swift
> cluster on physical commodity hardware *beat* AWS by $0.029 (assuming AWS
> was $0.075 per GB). The margins are slim for both Swift and AWS but saving
> 2c per GB adds up which means Swift gets more cost advantageous with larger
> clusters; according to our calculations. Numbers below assume VMware is
> used for virtual infra with its full-cycle service delivery costs baked in.
>
>
>> *Monthly costs Swift on Virt Swift on Phys AWS **Per GB $0.63 $0.046
>> $0.075*
>>
>> Proxy ct: 6 $5.04 4GB RAM=$0.84
>> Storage ct: 15 $7,887.60 2500gb=$525 4GB RAM=$0.84
>> Keystone ct: 3 $3.36 8GB RAM=$1.68
>>  Virt Cost $7,896.00 monthly
>>
>> HW Cost $34,500 Cap ~$1500/server
>>  $575 monthly 5 year EOL
>>  $575 / 12.5TB usable capacity = cost/GB/month
>
>
>
> *Adam Lawson*
> AQORN, Inc.
> 427 North Tatnall Street
> Ste. 58461
> Wilmington, Delaware 19801-2230
> Toll-free: (844) 4-AQORN-NOW
> Direct: +1 (302) 268-6914
>
>
>
> On Wed, Apr 30, 2014 at 11:55 AM, Alejandro Comisario <
> alejandro.comisario at mercadolibre.com> wrote:
>
>> Lovely Johon, i'll read that but hey ... beilieve me, this in-deep
>> analysis that im going through in my company making a production proyect
>> crumble just because lack of costs data regarding amazon will be a constant
>> while amazon keeps droping prices.
>>
>> If you can share those details, that would be : project-saving.
>> Thanks so much.
>>
>>
>>
>> Alejandro Comisario
>> *MercadoLibre Cloud Services*
>> Arias 3751, Piso 7 (C1430CRG)
>> Ciudad de Buenos Aires - Argentina
>> Cel: +549(11) 15-3770-1857
>> Tel : +54(11) 4640-8443
>>
>>
>> On Wed, Apr 30, 2014 at 2:37 PM, John Dickinson <me at not.mn> wrote:
>>
>>> Alejandro,
>>>
>>> We blogged about this recently at
>>> https://swiftstack.com/blog/2014/04/24/about-those-public-cloud-price-drops/.
>>> I've asked around the office here at SwiftStack to see if we can put
>>> together some more public cost details (specifically in response to you
>>> question), so I hope we can share some more info soon.
>>>
>>> --John
>>>
>>>
>>>
>>> On Apr 30, 2014, at 5:11 AM, Alejandro Comisario <
>>> alejandro.comisario at mercadolibre.com> wrote:
>>>
>>> > Hi guys.
>>> > After amazon dropped its prices among other things, on S3 its seems
>>> that i need in my compañy to justify/analyze if swift keeps being the most
>>> cost convenient solution (we have it in house)
>>> >
>>> > When we decided going with swift one year ago, one of the main
>>> constraints was "keeping the data in our datacenter" so we did'nt do the
>>> excercice of costs, but today since "seems" that this constraint might be
>>> no more i need to go through this excercise (of course i want to stay with
>>> swift)
>>> >
>>> > So, im reaching the community to ask experiences of people that went
>>> through the same scenario, things to take into account and recent results.
>>> >
>>> > I bumped with a great aticle from Amar Kapadia at:
>>> http://www.buildcloudstorage.com/2012/01/can-openstack-swift-hit-amazon-s3-like.htmland since i belive is a great place to start, the calculations an variables
>>> might be outdated.
>>> >
>>> > help is more than apreciated!!
>>> >
>>> >
>>> > ​best.
>>> > alejandrito​
>>> >
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>>>
>>>
>>
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