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From Lahiru Sandaruwan <lahi...@wso2.com>
Subject Re: [GSoC-2015][Progress Update] Introducing "curve fitting" for stat prediction algorithm of Autoscaler
Date Fri, 17 Jul 2015 12:40:12 GMT
Yes, We might need to attend this now at least. It has been a problem since
some time.

Thanks.

On Fri, Jul 17, 2015 at 3:25 PM, Lakmal Warusawithana <lakmal@wso2.com>
wrote:

> Hi Pranavan,
>
> What is your JIRA username?
>
> On Fri, Jul 17, 2015 at 2:46 PM, Akila Ravihansa Perera <
> ravihansa@wso2.com> wrote:
>
>> Users are not able to assign issues to themselves. I can't assign the
>> issues to users either. Do we have to escalate to ASF infra?
>>
>> On Fri, Jul 17, 2015 at 2:40 PM, Pranavan Theivendiram <
>> pranavan.11@cse.mrt.ac.lk> wrote:
>>
>>> Hi Akila,
>>>
>>> I will update. I am unable to assign myself. Please fix that issue.
>>>
>>> Thanks
>>>
>>> *T. Pranavan*
>>> *BSc Eng Undergraduate| Department of Computer Science & Engineering
>>> ,University of Moratuwa*
>>> *Mobile| *0775136836
>>>
>>> On 17 July 2015 at 14:35, Akila Ravihansa Perera <ravihansa@wso2.com>
>>> wrote:
>>>
>>>> Hi Pranavan,
>>>>
>>>> Please update the JIRA [1] with the latest status of the project. Add
>>>> current implementation details, docs, GitHub repo etc. Also assign this
>>>> task to yourself.
>>>>
>>>> [1] https://issues.apache.org/jira/browse/STRATOS-1211
>>>>
>>>> Thanks.
>>>>
>>>> On Sun, Jun 14, 2015 at 10:39 PM, Pranavan Theivendiram <
>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>
>>>>> Hi Lahiru and Raj,
>>>>>
>>>>> I have finished the following tasks of my project.
>>>>>
>>>>>    1. Added apache common math lib as a dependency
>>>>>    2. Curve fitting part is finished. ( From <timestamp,value>
pair
>>>>>    values to a second order polynomial v = a*t*t + b*t + c)
>>>>>
>>>>> I am currently working on exponential moving average (EMA). Since
>>>>> apache common math libs do not have the functionality to implement EMA.
I
>>>>> am implementing it in my own.
>>>>>
>>>>> I need an assistance in finding the smoothing constant alpha. I need
a
>>>>> proper value for alpha.
>>>>>
>>>>> I started implementing CurveFittingWindowProcessor. Not finished yet.
>>>>> Most of the functions are adopted from other window processors. I need
to
>>>>> implement some methods for prediction and EMA.
>>>>>
>>>>> Please find my Git repo below.[1]
>>>>> <https://github.com/pranavan135/stratos/tree/CurveFittingGSoC>
>>>>>
>>>>> [1] - https://github.com/pranavan135/stratos/tree/CurveFittingGSoC
>>>>>
>>>>> Thanks
>>>>>
>>>>> *T. Pranavan*
>>>>> *BSc Eng Undergraduate| Department of Computer Science & Engineering
>>>>> ,University of Moratuwa*
>>>>> *Mobile| *0775136836
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Akila Ravihansa Perera
>>>> Software Engineer, WSO2
>>>>
>>>> Blog: http://ravihansa3000.blogspot.com
>>>>
>>>
>>>
>>
>>
>> --
>> Akila Ravihansa Perera
>> Software Engineer, WSO2
>>
>> Blog: http://ravihansa3000.blogspot.com
>>
>
>
>
> --
> Lakmal Warusawithana
> Vice President, Apache Stratos
> Director - Cloud Architecture; WSO2 Inc.
> Mobile : +94714289692
> Blog : http://lakmalsview.blogspot.com/
>
>


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

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

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