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.

> 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

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