Hi Pranvan,

Could you please update the progress of the project for the knowledge of
community?

Thanks.

On Fri, May 1, 2015 at 9:25 AM, Lahiru Sandaruwan <lahi...@wso2.com> wrote:

> Hi Pranavan,
>
> Please find the answers inline,
>
> On Fri, May 1, 2015 at 12:49 AM, Pranavan Theivendiram <
> pranavan...@cse.mrt.ac.lk> wrote:
>
>> Hi Lahiru,
>>
>> After going through the moving average mechanisms, I found that it has
>> two main categories which are
>>  1. Simple moving average
>>  2. Exponential moving average
>> Simple moving average means as the name implies it simply calculate the
>> moving average without considering the time of the forecast but in the
>> exponential moving average mechanism, it consider about the time of the
>> forecast so that it adds a weight to the forecast before calculating it.
>> AFAIK in the autoscaler, all the data are equally important so that we can
>> go with the simple moving average mechanism. Please correct me if I am
>> wrong.
>>
>
> IMO exponential moving average suites better here. It is better to weight
> the latest values rather than giveing same weight to old data.
>
>> During the study I also understood main purpose of the moving average
>> mechanism is to remove the noises in the data. So that I think, if we can
>> combine both moving average and curve fitting mechanisms to improve the
>> autoscaler prediction., i.e after calculating the moving average values, by
>> using those values we can calculate possible equation for those values
>> using curve fitting.
>>
>>
> Yes. Finding the curve after smoothing with exponentially weighted moving
> average would be good. [1] is explaining something similar.
>
> Thanks.
>
> [1]
> http://stats.stackexchange.com/questions/9931/exponentially-weighted-moving-linear-regression
>
>> Is it possible to do remote debugging on Apache startos, so that I can
>> understand the work flow? If so can you help me on how to do that.
>>
>> Thanks
>>
>> *T. Pranavan*
>> *BSc Eng Undergraduate| Department of Computer Science & Engineering
>> ,University of Moratuwa*
>> *Mobile| *0775136836
>>
>> On 30 April 2015 at 07:30, Pranavan Theivendiram <
>> pranavan...@cse.mrt.ac.lk> wrote:
>>
>>> Hi Lahiru,
>>>
>>> I am looking into it.
>>>
>>> *T. Pranavan*
>>> *BSc Eng Undergraduate| Department of Computer Science & Engineering
>>> ,University of Moratuwa*
>>> *Mobile| *0775136836
>>>
>>> On 29 April 2015 at 14:07, Lahiru Sandaruwan <lahi...@wso2.com> wrote:
>>>
>>>>
>>>>
>>>> On Tue, Apr 28, 2015 at 8:30 AM, Lahiru Sandaruwan <lahi...@wso2.com>
>>>> wrote:
>>>>
>>>>> Great.
>>>>>
>>>>> In this project, most important part is finishing the research part.
>>>>>
>>>>>
>>>>>    1. Decide on which prediction algorithm should be used
>>>>>
>>>>> Look into moving average forecasting mechanisms. I remember Sheshika
>>>> from CEP team suggesting this. We need to decide on the algorithm ASAP and
>>>> move on.
>>>>
>>>> Thanks.
>>>>
>>>>>
>>>>>    1. Decide which libraries should be used(whether we go with CEP
>>>>>    4.0.0 or write custom window processors etc).
>>>>>
>>>>> Let's start with algorithm. We can select an algorithm and change
>>>>> later if we found that we can improve.
>>>>>
>>>>> Thaks.
>>>>>
>>>>> On Tue, Apr 28, 2015 at 7:22 AM, Pranavan Theivendiram <
>>>>> pranavan...@cse.mrt.ac.lk> wrote:
>>>>>
>>>>>> Hi Lahiru and Raj,
>>>>>>
>>>>>> I have got selected. Thanks for your immense support and advice. I am
>>>>>> going to work on it as per the time schedule that I have planned.
>>>>>>
>>>>>> *T. Pranavan*
>>>>>> *BSc Eng Undergraduate| Department of Computer Science & Engineering
>>>>>> ,University of Moratuwa*
>>>>>> *Mobile| *0775136836
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> --
>>>>> Lahiru Sandaruwan
>>>>> Committer and PMC member, Apache Stratos,
>>>>> Senior Software Engineer,
>>>>> WSO2 Inc., http://wso2.com
>>>>> lean.enterprise.middleware
>>>>>
>>>>> phone: +94773325954
>>>>> email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/
>>>>> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> --
>>>> Lahiru Sandaruwan
>>>> Committer and PMC member, Apache Stratos,
>>>> Senior Software Engineer,
>>>> WSO2 Inc., http://wso2.com
>>>> lean.enterprise.middleware
>>>>
>>>> phone: +94773325954
>>>> email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/
>>>> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146
>>>>
>>>>
>>>
>>
>
>
> --
> --
> Lahiru Sandaruwan
> Committer and PMC member, Apache Stratos,
> Senior Software Engineer,
> WSO2 Inc., http://wso2.com
> lean.enterprise.middleware
>
> phone: +94773325954
> email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/
> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146
>
>


-- 
--
Lahiru Sandaruwan
Committer and PMC member, Apache Stratos,
Senior Software Engineer,
WSO2 Inc., http://wso2.com
lean.enterprise.middleware

phone: +94773325954
email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/
linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146

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