Hi Nirmal,

On Thu, Dec 26, 2013 at 2:09 PM, Nirmal Fernando <[email protected]>wrote:

> Hi,
>
> Please find my answers in line.
>
>
> On Thu, Dec 26, 2013 at 1:56 PM, Lahiru Sandaruwan <[email protected]>wrote:
>
>> Hi all,
>>
>> I need some information to get a better understanding of the LB stat
>> sending procedure.
>>
>> What is requests in flight mean exactly?
>> Is it the number of requests in the queue that are yet to be delivered to
>> the cluster at the moment?
>>
>
> Nope. it's the number of requests that has been delegated to the cluster,
> but still being processed (i.e. corresponding responses not yet being
> delivered to the client).
>
>>
>> AFAIR we get RIF per 10 seconds from LB to CEP.
>> How do we calculate the average, gradient, and second derivative(what is
>> the exact time period and logic) that we calculate these information at
>> CEP?
>>
>
> average: RiF count as an average over a 1minute (configurable) for a
> particular cluster.
> gradient: linear gradient of the RiF counts over a 1minute period.
>  second derivative: linear change of the gradient over a 1mint period.
>

Can i get to know that where to configure the period to calculate the
average, gradient and second derivative in CEP?

Thanks,
Reka

>
> I'll blog about these implementations in details soon.
>
>>
>> Thanks in advance for your answers.
>>
>> Thanks.
>>
>>
>>
>> --
>> --
>> Lahiru Sandaruwan
>> Software Engineer,
>> Platform Technologies,
>> WSO2 Inc., http://wso2.com
>> lean.enterprise.middleware
>>
>> email: [email protected] cell: (+94) 773 325 954
>> blog: http://lahiruwrites.blogspot.com/
>> twitter: http://twitter.com/lahirus
>> 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/
>



-- 
Reka Thirunavukkarasu
Software Engineer,
WSO2, Inc.:http://wso2.com,
Mobile: +94776442007

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