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From Akila Ravihansa Perera <>
Subject Re: [Dev] Publishing Complete Topology event on Demand
Date Wed, 09 Sep 2015 19:59:17 GMT
Hi Imesh,

Great thought. This will considerably speed up instance activation process.

Shall we call the topic as 'initializer' to be generic? We can further
extend this to Application hierarchy model initialization and tenant model
initialization using the same topic. These are also published periodically
by AS and SM respectively.


On Thu, Sep 10, 2015 at 1:09 AM, Imesh Gunaratne <> wrote:

> Hi Devs,
> I would like to propose $subject.
> Currently we do this with a one minute interval and its causing the
> cartridge agent and the servers to wait for around two minutes (in the
> worst case) to start. In Docker this is a considerable amount of delay.
> I think we can implement $subject by introducing another topic (say
> topology-init) and asking the clients to request Complete Topology event
> via the new topic. This can be done in messaging component without
> affecting the main modules (AS, CC, SM, CEP, JCA). PCA needs to be updated
> accordingly. WDYT?
> Thanks
> --
> Imesh Gunaratne
> Senior Technical Lead, WSO2
> Committer & PMC Member, Apache Stratos

Akila Ravihansa Perera
WSO2 Inc.;


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