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From Pranavan Theivendiram <pranavan...@cse.mrt.ac.lk>
Subject Re: [GSOC - 2015] Introducing “curve fitting” for statistics prediction algorithm of Autoscaler
Date Fri, 27 Mar 2015 08:28:13 GMT
Hi Lahiru,

Now it looks like ok. Please check.

http://www.google-melange.com/gsoc/proposal/public/google/gsoc2015/pranavan_theivendiram/5629499534213120

*T. Pranavan*
*BSc Eng Undergraduate| Department of Computer Science & Engineering
,University of Moratuwa*
*Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
*Mobile| *0775136836

On 27 March 2015 at 13:55, Pranavan Theivendiram <pranavan.11@cse.mrt.ac.lk>
wrote:

> Hi Lahiru,
>
> I made the proposal public to everyone. But I think the proposal is still
> not accessible. I do not figure what is the reason. :(
>
> *T. Pranavan*
> *BSc Eng Undergraduate| Department of Computer Science & Engineering
> ,University of Moratuwa*
> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
> *Mobile| *0775136836
>
> On 27 March 2015 at 13:51, Pranavan Theivendiram <
> pranavan.11@cse.mrt.ac.lk> wrote:
>
>> Hi Lahiru,
>>
>> Thanks for the issue. I have shared the proposal with organization
>> members. Ok I will make it public now.
>>
>> *T. Pranavan*
>> *BSc Eng Undergraduate| Department of Computer Science & Engineering
>> ,University of Moratuwa*
>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>> *Mobile| *0775136836
>>
>> On 27 March 2015 at 13:47, Lahiru Sandaruwan <lahirus@wso2.com> wrote:
>>
>>> I think the general URL should be,
>>>
>>>
>>> https://www.google-melange.com/gsoc/proposal/review/org/google/gsoc2015/pranavan_theivendiram/5629499534213120
>>>
>>> On Fri, Mar 27, 2015 at 1:46 PM, Lahiru Sandaruwan <lahirus@wso2.com>
>>> wrote:
>>>
>>>> Hi Pranavan,
>>>>
>>>> I cannot access the proposal by the provided URL.
>>>>
>>>> Thanks.
>>>>
>>>> On Thu, Mar 26, 2015 at 11:34 PM, Pranavan Theivendiram <
>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>
>>>>> Hi Lahiru,
>>>>>
>>>>> I have submitted my proposal, Here is the link
>>>>>
>>>>> https://www.google-melange.com/gsoc/proposal/review/student/google/gsoc2015/pranavan_theivendiram/5629499534213120
>>>>>
>>>>> Please check this.
>>>>>
>>>>> Thanks
>>>>>
>>>>> Regards,
>>>>> *T. Pranavan*
>>>>> *BSc Eng Undergraduate| Department of Computer Science & Engineering
>>>>> ,University of Moratuwa*
>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>> *Mobile| *0775136836
>>>>>
>>>>> On 26 March 2015 at 20:59, Pranavan Theivendiram <
>>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>
>>>>>> Hi Lahiru,
>>>>>>
>>>>>> Thanks once again for the valuable comments and the advices that you
>>>>>> have provided.
>>>>>>
>>>>>> *T. Pranavan*
>>>>>> *BSc Eng Undergraduate| Department of Computer Science & Engineering
>>>>>> ,University of Moratuwa*
>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>> *Mobile| *0775136836
>>>>>>
>>>>>> On 26 March 2015 at 20:33, Lahiru Sandaruwan <lahirus@wso2.com>
>>>>>> wrote:
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Thu, Mar 26, 2015 at 8:23 PM, Pranavan Theivendiram <
>>>>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>
>>>>>>>> Hi Lahiru,
>>>>>>>>
>>>>>>>> I did not submit yet. Today, I am going to submit it.
>>>>>>>> Do you have anything that I have to add?
>>>>>>>>
>>>>>>>
>>>>>>> No. I think this is good to go.
>>>>>>>
>>>>>>> Thanks.
>>>>>>>
>>>>>>>>
>>>>>>>> *T. Pranavan*
>>>>>>>> *BSc Eng Undergraduate| Department of Computer Science &
>>>>>>>> Engineering ,University of Moratuwa*
>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>> *Mobile| *0775136836
>>>>>>>>
>>>>>>>> On 26 March 2015 at 20:22, Pranavan Theivendiram <
>>>>>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>
>>>>>>>>> Hi Lahiru,
>>>>>>>>>
>>>>>>>>> I did not submit yet. Today, I am going to submit it.
>>>>>>>>> Do you have anything that I have to add?
>>>>>>>>>
>>>>>>>>> *T. Pranavan*
>>>>>>>>> *BSc Eng Undergraduate| Department of Computer Science &
>>>>>>>>> Engineering ,University of Moratuwa*
>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>
>>>>>>>>> On 26 March 2015 at 19:22, Lahiru Sandaruwan <lahirus@wso2.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Hi Pranavan,
>>>>>>>>>>
>>>>>>>>>> Did you submit the proposal?
>>>>>>>>>>
>>>>>>>>>> Thanks.
>>>>>>>>>>
>>>>>>>>>> On Wed, Mar 25, 2015 at 7:22 PM, Pranavan Theivendiram <
>>>>>>>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi Lahiru,
>>>>>>>>>>>
>>>>>>>>>>> I will be available whole day. If you give a time, then we can
>>>>>>>>>>> talk.
>>>>>>>>>>>
>>>>>>>>>>> *T. Pranavan*
>>>>>>>>>>> *BSc Eng Undergraduate| Department of Computer Science &
>>>>>>>>>>> Engineering ,University of Moratuwa*
>>>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>>>
>>>>>>>>>>> On 25 March 2015 at 18:45, Lahiru Sandaruwan <lahirus@wso2.com>
>>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Sure. Let me check on possible time.
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks/
>>>>>>>>>>>>
>>>>>>>>>>>> On Wed, Mar 25, 2015 at 5:04 PM, Pranavan Theivendiram <
>>>>>>>>>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> Hi Lahiru,
>>>>>>>>>>>>>
>>>>>>>>>>>>> Shall we have hangout on saturday?
>>>>>>>>>>>>>
>>>>>>>>>>>>> *T. Pranavan*
>>>>>>>>>>>>> *BSc Eng Undergraduate| Department of Computer Science &
>>>>>>>>>>>>> Engineering ,University of Moratuwa*
>>>>>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>>>>>
>>>>>>>>>>>>> On 25 March 2015 at 10:39, Pranavan Theivendiram <
>>>>>>>>>>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Ok Lahiru.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> I have noted down some problems in understanding the code
>>>>>>>>>>>>>> base. We will have hangout in near future and let us resolve it out.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> *T. Pranavan*
>>>>>>>>>>>>>> *BSc Eng Undergraduate| Department of Computer Science &
>>>>>>>>>>>>>> Engineering ,University of Moratuwa*
>>>>>>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On 25 March 2015 at 10:36, Lahiru Sandaruwan <
>>>>>>>>>>>>>> lahirus@wso2.com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Yes, Please arrange a Google hangout if needed.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On Wed, Mar 25, 2015 at 10:35 AM, Pranavan Theivendiram <
>>>>>>>>>>>>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Thanks Lahiru,
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I will contact you if I need any assistance.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *T. Pranavan*
>>>>>>>>>>>>>>>> *BSc Eng Undergraduate| Department of Computer Science &
>>>>>>>>>>>>>>>> Engineering ,University of Moratuwa*
>>>>>>>>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On 25 March 2015 at 10:30, Lahiru Sandaruwan <
>>>>>>>>>>>>>>>> lahirus@wso2.com> wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> On Wed, Mar 25, 2015 at 10:10 AM, Pranavan Theivendiram <
>>>>>>>>>>>>>>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Hi Lahiru,
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Thanks for the prompt reply.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> *+1 for*
>>>>>>>>>>>>>>>>>> *we can find the polynomial in each minute, considering
>>>>>>>>>>>>>>>>>> 10 minutes of past data, we can change this if required.*
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> If we are getting the health stats events uniformly for
>>>>>>>>>>>>>>>>>> every 10 seconds. my question is resolved. (I thought that we are getting
>>>>>>>>>>>>>>>>>> in a random manner).
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Can I add the things in my proposal regarding "Curve
>>>>>>>>>>>>>>>>>> Fitting"?
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Yes, Please.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Do you think that any other important things I need to
>>>>>>>>>>>>>>>>>> add in my proposal?
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> It looks good. Hope you referred [1] on this.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [1]
>>>>>>>>>>>>>>>>> http://community.apache.org/gsoc.html#applying-for-gsoc
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> *T. Pranavan*
>>>>>>>>>>>>>>>>>> *BSc Eng Undergraduate| Department of Computer Science &
>>>>>>>>>>>>>>>>>> Engineering ,University of Moratuwa*
>>>>>>>>>>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>>>>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> On 25 March 2015 at 10:09, Pranavan Theivendiram <
>>>>>>>>>>>>>>>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Hi Lahiru,
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Thanks for the prompt reply.
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> *+1 for*
>>>>>>>>>>>>>>>>>>> *we can find the polynomial in each minute, considering
>>>>>>>>>>>>>>>>>>> 10 minutes of past data, we can change this if required.*
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> If we are getting the health stats events uniformly for
>>>>>>>>>>>>>>>>>>> every 10 seconds. my question is resolved. (I thought that we are getting
>>>>>>>>>>>>>>>>>>> in a random manner).
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Can I add the things in my proposal regarding "Curve
>>>>>>>>>>>>>>>>>>> Fitting"?
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Do you think that any other important things I need to
>>>>>>>>>>>>>>>>>>> add in my proposal?
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> *T. Pranavan*
>>>>>>>>>>>>>>>>>>> *BSc Eng Undergraduate| Department of Computer Science &
>>>>>>>>>>>>>>>>>>> Engineering ,University of Moratuwa*
>>>>>>>>>>>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>>>>>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> On 25 March 2015 at 09:59, Lahiru Sandaruwan <
>>>>>>>>>>>>>>>>>>> lahirus@wso2.com> wrote:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> +1 for using Common math library, as we already using
>>>>>>>>>>>>>>>>>>>> it.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>    - Currently we have calculating numbers per minute,
>>>>>>>>>>>>>>>>>>>>    so it is not per specified number of events, but for a specified time.
>>>>>>>>>>>>>>>>>>>>    - IMO we can find the polynomial in each minute,
>>>>>>>>>>>>>>>>>>>>    considering 10 minutes of past data, we can change this if required.
>>>>>>>>>>>>>>>>>>>>    - Normally, health stat events are received in each
>>>>>>>>>>>>>>>>>>>>    10 seconds.
>>>>>>>>>>>>>>>>>>>>    - Therefore we will have 60 ( = 6 * 10) events per
>>>>>>>>>>>>>>>>>>>>    10 minutes.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> On Wed, Mar 25, 2015 at 9:11 AM, Pranavan Theivendiram
>>>>>>>>>>>>>>>>>>>> <pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> Hi Lahiru and Raj,
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> I have gone through the curve fitting materials that
>>>>>>>>>>>>>>>>>>>>> you have provided. I have understood the regression part and prediction of
>>>>>>>>>>>>>>>>>>>>> degree polynomials. We can use apache common math libraries to do this. I
>>>>>>>>>>>>>>>>>>>>> have a question below.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> How often we are going to find the polynomials?
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> For example,
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> If we have *3 samples* events during *10 minutes
>>>>>>>>>>>>>>>>>>>>> interval*, then we can produce a second degree
>>>>>>>>>>>>>>>>>>>>> polynomial. (We will get constants *a*,*b*, and *c*).
>>>>>>>>>>>>>>>>>>>>> If we are going to use this second degree polynomial for next *60
>>>>>>>>>>>>>>>>>>>>> minutes *(Suppose in this 60 minutes we are getting *200
>>>>>>>>>>>>>>>>>>>>> samples *events).  As we can see our *extrapolation
>>>>>>>>>>>>>>>>>>>>> <http://en.wikipedia.org/wiki/Extrapolation>* becomes
>>>>>>>>>>>>>>>>>>>>> a severe problem in this particular example.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> What do you mean by " our *extrapolation
>>>>>>>>>>>>>>>>>>>> <http://en.wikipedia.org/wiki/Extrapolation>* becomes
>>>>>>>>>>>>>>>>>>>> a severe problem"? Complexity of the calculation of predicted value?
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> I do not know how earlier versions handle this
>>>>>>>>>>>>>>>>>>>>> scenario.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> Can you tell that are we going produce new polynomials
>>>>>>>>>>>>>>>>>>>>> for *a specified time* or *a specified number of
>>>>>>>>>>>>>>>>>>>>> events*?
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> Please clear this issue.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> *T. Pranavan*
>>>>>>>>>>>>>>>>>>>>> *BSc Eng Undergraduate| Department of Computer Science
>>>>>>>>>>>>>>>>>>>>> & Engineering ,University of Moratuwa*
>>>>>>>>>>>>>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>>>>>>>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> On 24 March 2015 at 09:02, Lahiru Sandaruwan <
>>>>>>>>>>>>>>>>>>>>> lahirus@wso2.com> wrote:
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> Thanks Pranavan,
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> I'll have a look.
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> On Tue, Mar 24, 2015 at 8:52 AM, Pranavan
>>>>>>>>>>>>>>>>>>>>>> Theivendiram <pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> Hi Lahiru and Raj,
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> This is my draft proposal which has been done up to
>>>>>>>>>>>>>>>>>>>>>>> 50%. I am going to add things about curve fitting as well. Still many
>>>>>>>>>>>>>>>>>>>>>>> things need to be added. Please comment on my initial draft.
>>>>>>>>>>>>>>>>>>>>>>> I am expecting pros and cons regarding my proposal.
>>>>>>>>>>>>>>>>>>>>>>> Please find the link for the initial draft below.
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> https://docs.google.com/a/cse.mrt.ac.lk/document/d/1TzHYI2o9bIdZWj4qAffNmH5FTgeTOV4TuSsxlISlU8c/edit?usp=sharing
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> *T. Pranavan*
>>>>>>>>>>>>>>>>>>>>>>> *BSc Eng Undergraduate| Department of Computer
>>>>>>>>>>>>>>>>>>>>>>> Science & Engineering ,University of Moratuwa*
>>>>>>>>>>>>>>>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>>>>>>>>>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> On 22 March 2015 at 23:36, Pranavan Theivendiram <
>>>>>>>>>>>>>>>>>>>>>>> pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> Thanks Lahiru for the prompt reply. I have already
>>>>>>>>>>>>>>>>>>>>>>>> started working on the proposal. I will send it before tomorrow.
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> *T. Pranavan*
>>>>>>>>>>>>>>>>>>>>>>>> *BSc Eng Undergraduate| Department of Computer
>>>>>>>>>>>>>>>>>>>>>>>> Science & Engineering ,University of Moratuwa*
>>>>>>>>>>>>>>>>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt) Ltd.*
>>>>>>>>>>>>>>>>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> On 22 March 2015 at 23:31, Lahiru Sandaruwan <
>>>>>>>>>>>>>>>>>>>>>>>> lahirus@wso2.com> wrote:
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> Yes, You have found the information correctly and
>>>>>>>>>>>>>>>>>>>>>>>>> on right track. It would be great if we can incorporate CEP 4.0.0 changes
>>>>>>>>>>>>>>>>>>>>>>>>> as it would minimize our customized function.
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> I would like to suggest you starting the drafting
>>>>>>>>>>>>>>>>>>>>>>>>> of the proposal as you have some background now.
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> On Sun, Mar 22, 2015 at 9:48 PM, Pranavan
>>>>>>>>>>>>>>>>>>>>>>>>> Theivendiram <pranavan.11@cse.mrt.ac.lk> wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>> Hi all,
>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>> With the few days of research on the project
>>>>>>>>>>>>>>>>>>>>>>>>>> "Introducing “curve fitting” for statistics prediction algorithm of
>>>>>>>>>>>>>>>>>>>>>>>>>> Autoscaler". I have found
>>>>>>>>>>>>>>>>>>>>>>>>>> followings regarding the project
>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>    1. ClusterMonitor class passes the calculated
>>>>>>>>>>>>>>>>>>>>>>>>>>    values from the CEP. This value passing happens after
>>>>>>>>>>>>>>>>>>>>>>>>>>    org.apache.stratos.messaging.event          happens.
>>>>>>>>>>>>>>>>>>>>>>>>>>    2. RuleTasksDelegator class calculates the
>>>>>>>>>>>>>>>>>>>>>>>>>>    prediction values using the values(Ex gradient) from the CEP
>>>>>>>>>>>>>>>>>>>>>>>>>>    3. The classes in the package
>>>>>>>>>>>>>>>>>>>>>>>>>>    org.apache.stratos.cep.extension deals with the analysis of data in the
>>>>>>>>>>>>>>>>>>>>>>>>>>    real time and publish the relevant summarized health stats, which are
>>>>>>>>>>>>>>>>>>>>>>>>>>    needed for the autoscaling.
>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>> So according to my understanding, I need to
>>>>>>>>>>>>>>>>>>>>>>>>>> modify above mentioned classes, in order to implement the curve fitting for
>>>>>>>>>>>>>>>>>>>>>>>>>> statistics prediction.
>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>> Furthermore,for this project, we can use the
>>>>>>>>>>>>>>>>>>>>>>>>>> regression implementation of CEP 4.0, which is expected to be released on
>>>>>>>>>>>>>>>>>>>>>>>>>> May 15th according to WSO2 public jira. I am planning to do a feasibility
>>>>>>>>>>>>>>>>>>>>>>>>>> study for the first two weeks of the project, where we can explore other
>>>>>>>>>>>>>>>>>>>>>>>>>> better options as well.
>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>> Am I on a right track? Please share your thoughts
>>>>>>>>>>>>>>>>>>>>>>>>>> on this.
>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>> [1] https://wso2.org/jira/browse/CEP
>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>> Thanks
>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>> Regards
>>>>>>>>>>>>>>>>>>>>>>>>>> *T. Pranavan*
>>>>>>>>>>>>>>>>>>>>>>>>>> *BSc Eng Undergraduate| Department of Computer
>>>>>>>>>>>>>>>>>>>>>>>>>> Science & Engineering ,University of Moratuwa*
>>>>>>>>>>>>>>>>>>>>>>>>>> *Intern Software Engineer**| WSO2 Lanka (Pvt)
>>>>>>>>>>>>>>>>>>>>>>>>>> Ltd.*
>>>>>>>>>>>>>>>>>>>>>>>>>> *Mobile| *0775136836
>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>>>>>>> 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
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>>>> 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
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>> 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
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>> 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
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>> 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
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> --
>>>>>>>>>>>> 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
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> --
>>>>>>>>>> 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
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> --
>>>>>>> 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
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> --
>>>> 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
>>>>
>>>>
>>>
>>>
>>> --
>>> --
>>> 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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