Hi, Imesh and Lakmal
Thanks for you support, I will get more detail debug logs.
An further issue is how can we disable / change the Member expriy time?
[2015-03-08 09:41:10,723] DEBUG
{org.apache.stratos.autoscaler.PartitionContext} - Member expiry time is
set to: 900000
Thanks
-D
On Mon, Mar 9, 2015 at 2:35 AM, Lakmal Warusawithana <lak...@wso2.com>
wrote:
>
>
> On Mon, Mar 9, 2015 at 2:39 PM, Imesh Gunaratne <im...@apache.org> wrote:
>
>> Hi Lakmal,
>>
>> On Mon, Mar 9, 2015 at 12:20 PM, Lakmal Warusawithana <lak...@wso2.com>
>> wrote:
>>>
>>>
>>> On Mon, Mar 9, 2015 at 12:16 PM, Imesh Gunaratne <im...@apache.org>
>>> wrote:
>>>
>>>> Hi David,
>>>>
>>>> We might need to check why the load balancer is not sending statistics
>>>> to CEP. Try to enable debug logs in the load balancer and run, it should
>>>> trace the statistics sent to CEP.
>>>>
>>>> No AFAIK, it is not possible to configure Autoscaler to disregard load
>>>> balancer statistics. I see this as a very valid requirement (to exclude any
>>>> of the scaling factors), may be we can consider adding this to 4.1.0. Would
>>>> you mind reporting this as a feature request?
>>>>
>>>>
>>> I'm bit confuse here! I can scale up a cluster without having a LB. (in
>>> 4.1.0) which mean LB is not a MUST right?
>>>
>>
>> Yes, scaling up would work but scaling down might not work if statistics
>> for all the autoscaling factors are available:
>>
>> scaleUp : Boolean() from ((rifReset && (rifPredictedValue >
>> rifAverageLimit * 0.8)) || (mcReset && (mcPredictedValue > mcAverageLimit *
>> 0.8)) || (laReset && (laPredictedValue > laAverageLimit * 0.8)))
>> scaleDown : Boolean() from ((rifReset && (rifPredictedValue <
>> rifAverageLimit * 0.1)) && (mcReset && (mcPredictedValue < mcAverageLimit *
>> 0.1)) && (laReset && (laPredictedValue < laAverageLimit * 0.1)))
>>
>>
>> https://github.com/apache/stratos/blob/4.0.0/products/stratos/modules/distribution/src/main/conf/scaling.drl
>>
>>
> IMO, we should fix this. We should support scale up/down with selected
> autoscaling parameters.
>
>
>
>> Thanks
>>
>>
>
>
> --
> Lakmal Warusawithana
> Vice President, Apache Stratos
> Director - Cloud Architecture; WSO2 Inc.
> Mobile : +94714289692
> Blog : http://lakmalsview.blogspot.com/
>
>
