Currently it is more geared towards auto-provisioning... but we're
working to develop forecasting models also for other
replication/distribution mechanisms, and to use them to understand how
to respond to workload fluctuations over multiple dimensions: not only
how many nodes to use to maximize performance/minimize costs, but also
what data management algorithms to use.
Cheers,
P
On 12/9/11 4:12 PM, Manik Surtani wrote:
So from a CloudTM perspective, this is a part of the adaptive,
self-tuning configuration aspect of things? Or is it auto-provisioning (i.e.,
adding/removing nodes to meet QoS parameters)?
- Manik
On 4 Dec 2011, at 13:37, Paolo Romano wrote:
> Hi,
>
> one more result from the Cloud-TM project that we thought might be
> interesting for the Infinispan community (and possibly OpenShift).
>
> Our last effort is a system for automating elastic scaling for
> Infinispan, which we named TAS: Transactional Auto Scaler.
>
> TAS uses a hybrid methodology combining analytical modelling, for
> forecasting the effects of data contention, and machine learning
> techniques (we experimented both with Radial Basis Functions Aritificial
> Neural Networks and Regression Decision Trees), for forecasting the
> effects of contention on hardware resources.
>
> Applications of TAS range from on-line self-optimization of
> in-production applications, to the automatic generation of QoS/cost
> driven elastic scaling policies, and support for what-if analysis on the
> scalability of transactional applications.
>
> Results look pretty good, probably even better than we were originally
> hoping! ;-)
>
> Cheers,
>
> Paolo
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>
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--
Manik Surtani
manik(a)jboss.org
twitter.com/maniksurtani
Lead, Infinispan
http://www.infinispan.org
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