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
