Thanks Nirmal, that was very helpful. But what about a member deactivation event as a result of scale-down?
Just to clarify, if we are going to implement topology event extension points for Cartridge Agent, then it should also process the complete topology and complete tenant events only once according to this pattern? On Sat, May 3, 2014 at 1:37 AM, Nirmal Fernando <[email protected]> wrote: > Hi Akila, > > Complete* events are there only for the system to withstand a restart. So, > each of the server would initially wait till it receives the complete* event > and adjust it state to the current system state and then from that point > onwards, each server would react on the events that occurs. > > If I take your sample, in the case of member activation during a server life > time, servers would listen to MemberActivatedEvents and process. > > > On Sat, May 3, 2014 at 1:09 AM, Akila Ravihansa Perera <[email protected]> > wrote: >> >> Hi Imesh, >> >> I noticed that you have made a commit [1] that will make the LB to >> process complete topology and complete tenant events only once. But >> could you explain the reason for it to be like that? Shouldn't the LB >> be aware of topology changes that might occur in the future? It might >> not be aware of members getting active/inactive dynamically. >> >> I'm just trying to understand the workflow here, would really >> appreciate if anyone can provide some background information on this. >> >> Thanks! >> >> >> [1] >> https://github.com/apache/incubator-stratos/commit/783197eaba9edd70212ca70b39679502274fd230 >> >> >> -- >> Akila Ravihansa Perera >> Software Engineer >> WSO2 Inc. >> http://wso2.com >> >> Phone: +94 77 64 154 38 >> Blog: http://ravihansa3000.blogspot.com > > > > > -- > Best Regards, > Nirmal > > Nirmal Fernando. > PPMC Member & Committer of Apache Stratos, > Senior Software Engineer, WSO2 Inc. > > Blog: http://nirmalfdo.blogspot.com/ -- Akila Ravihansa Perera Software Engineer WSO2 Inc. http://wso2.com Phone: +94 77 64 154 38 Blog: http://ravihansa3000.blogspot.com
