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