On Sat, Nov 8, 2014 at 8:32 PM, Lahiru Sandaruwan <lahi...@wso2.com> wrote:
> > > On Sat, Nov 8, 2014 at 8:26 PM, Rajkumar Rajaratnam <rajkum...@wso2.com> > wrote: > >> Hi Lahiru, >> >> Are you going to make all three configurable via autoscaler xml? or How >> you are going to do? >> >> > IMO it should be a part of Autoscaling policy. > Yes. This is also a good idea. Since we are allowing a user to update the autoscale policies at run time, he can change this value later if he wants. +1 include this in autoscale policy. Thanks. > Thanks. >> >> On Sat, Nov 8, 2014 at 8:22 PM, Lahiru Sandaruwan <lahi...@wso2.com> >> wrote: >> >>> >>> >>> On Sat, Nov 8, 2014 at 8:06 PM, Nirmal Fernando <nirmal070...@gmail.com> >>> wrote: >>> >>>> Why not simply round the value to nearest integer? >>>> http://docs.oracle.com/javase/7/docs/api/java/lang/Math.html#round(float) >>>> >>> >>> It is not the industry practice. AWS guys use a more complex algorithms. >>> But we can start with suggested options. >>> >>> Because some users might have the luxury of going for ceiling(may be an >>> on premise IaaS) where others do not(Public IaaS). >>> >>> >>> >>>> On Sat, Nov 8, 2014 at 3:28 PM, Lahiru Sandaruwan <lahi...@wso2.com> >>>> wrote: >>>> >>>>> /s/fives/gives >>>>> >>>>> On Sat, Nov 8, 2014 at 7:57 PM, Lahiru Sandaruwan <lahi...@wso2.com> >>>>> wrote: >>>>> >>>>>> Hi all, >>>>>> >>>>>> I'm working on $subject. When we predict the instance count from >>>>>> statistics and dependency based ratio in application, we will get numbers >>>>>> with fraction. E.g. 1.2, 3.9, 4.5. Therefore we have to round the >>>>>> instance >>>>>> count for creating instances in IaaS. >>>>>> >>>>>> >>>>>> I have thought of three types to choose from. >>>>>> >>>>>> >>>>>> 1. Floor >>>>>> 2. Ceiling >>>>>> 3. Custom percentage >>>>>> >>>>>> #3 means, user can give a limit of fraction to decide whether to >>>>>> round to floor or ceiling. >>>>>> >>>>>> e.g. User fives fraction as 0.2, >>>>>> >>>>>> Instance count 3.1 Rounded value 3 >>>>>> Instance count 3.21: Rounded value 4 >>>>>> Instance count 1.19: Rounded value 1 >>>>>> >>>>>> Feel free to give feedback. >>>>>> >>>>>> Thanks. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> -- >>>>>> Lahiru Sandaruwan >>>>>> Committer and PMC member, Apache Stratos, >>>>>> Senior Software Engineer, >>>>>> WSO2 Inc., http://wso2.com >>>>>> lean.enterprise.middleware >>>>>> >>>>>> 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 >>>>> >>>>> email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/ >>>>> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 >>>>> >>>>> >>>> >>>> >>>> -- >>>> Best Regards, >>>> Nirmal >>>> >>>> Nirmal Fernando. >>>> PPMC Member & Committer of Apache Stratos, >>>> Senior Software Engineer, WSO2 Inc. >>>> >>>> Blog: http://nirmalfdo.blogspot.com/ >>>> >>> >>> >>> >>> -- >>> -- >>> Lahiru Sandaruwan >>> Committer and PMC member, Apache Stratos, >>> Senior Software Engineer, >>> WSO2 Inc., http://wso2.com >>> lean.enterprise.middleware >>> >>> email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/ >>> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 >>> >>> >> >> >> -- >> Raj >> > > > > -- > -- > Lahiru Sandaruwan > Committer and PMC member, Apache Stratos, > Senior Software Engineer, > WSO2 Inc., http://wso2.com > lean.enterprise.middleware > > email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/ > linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 > > -- Raj