Since this functionality needs more time to discuss, we will do the 4.0.0 TLP release without doing any code changes. Anyway we might need to remove the Incubator images in the dashboard. WDYT?
Thanks On Wed, May 28, 2014 at 10:43 AM, Nirmal Fernando <nirmal070...@gmail.com>wrote: > I think we should be using existing message broker implementations instead > of re-inventing it. For ActiveMQ we can use its failover transport; > http://activemq.apache.org/failover-transport-reference.html > > > On Wed, May 28, 2014 at 10:22 AM, Imesh Gunaratne <im...@apache.org>wrote: > >> Hi, >> >> Please find my comments in-line: >> >> >>> - We got to have a health check mechanism. May be with low frequency if >>> what nirmal claims is true. >>> >> Yes we could make the frequency configurable. >>> >> >> >>> - What prevent us from publish/subscribe both in the health checker.. >>> >> With the current implementation we have not added a health checker to >> publisher as it detects a connection drop at the time it tries to publish a >> message. >> >> >>> - I am not convinced about having consumer in SM. >>> >> The problem here is there could be N number of subscribers for a given >> topic. Each subscriber has a health checker and each sends ping messages to >> the ping topic (may be we could call this "keepalive"). >> >> So if we introduce a ping message consumer it will receive all the ping >> messages sent by N subscribers. Now the question is, are we going to >> introduce a ping message consumer for each health checker instance or are >> we going to have one ping message consumer in a Stratos component? >> >> >>> - health check should be independent of other system components. >>> >> Agree >>> >>> Thanks >> >> >> -- >> Imesh Gunaratne >> >> Technical Lead, WSO2 >> Committer & PPMC Member, Apache Stratos >> > > > > -- > Best Regards, > Nirmal > > Nirmal Fernando. > PPMC Member & Committer of Apache Stratos, > Senior Software Engineer, WSO2 Inc. > > Blog: http://nirmalfdo.blogspot.com/ > -- Imesh Gunaratne Technical Lead, WSO2 Committer & PPMC Member, Apache Stratos
