Hi,

This might be a rare scenario. I think according to your current design we
are unable to track such incidents.

On Tue, Oct 14, 2014 at 3:30 PM, Udara Liyanage <[email protected]> wrote:

> Hi,
>
> Even CEP mark the instance as faulty, CC won't be able to kill it since it
> does not have a reference to the instance.
>
> On Tue, Oct 14, 2014 at 3:12 PM, Rajkumar Rajaratnam <[email protected]>
> wrote:
>
>> Hi Devs,
>>
>> Please be kind enough to explain me if I understood it wrong.
>>
>> Topology is updated after every member is created. Stratos can go
>> down/crash after a member is created but before topology is updated. When
>> we start the stratos again, AS reads the topology and populate the member
>> lists. But topology doesn't have this member, so AS does not know about
>> this member.
>>
>> With current logic CEP cannot identify this member as a faulty one,
>> because member is not in the topology, so CEP will reject any events from
>> this member.
>>
>> So this member is going to stay there in the IaaS.
>>
>> Is this a possible scenario?
>>
>> We can make CEP to identify this as a faulty member as below;
>> If a member sends events to CEP and the member is not in the topology,
>> then CEP can complain it as a faulty member. This solution can work if the
>> member is sending events to CEP. There can be situation where cartridge
>> agent can crash. Then it will not send any events to CEP, so CEP also
>> doesn't know about this member.
>>
>> How can we solve this?
>>
>> Thanks.
>>
>> --
>> Rajkumar Rajaratnam
>> Software Engineer | WSO2, Inc.
>> Mobile +94777568639 | +94783498120
>>
>
>
>
> --
>
> Udara Liyanage
> Software Engineer
> WSO2, Inc.: http://wso2.com
> lean. enterprise. middleware
>
> web: http://udaraliyanage.wordpress.com
> phone: +94 71 443 6897
>



-- 
Regards,
Manula Chathurika Thantriwatte
Software Engineer
WSO2 Inc. : http://wso2.com
lean . enterprise . middleware

email : [email protected] / [email protected]
phone : +94 772492511
blog : http://manulachathurika.blogspot.com/

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