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

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