[jboss-user] [JBoss Messaging] - MDBs using RemoteJMSProvider seem to stop under large number of MDBs

Mike Miller do-not-reply at jboss.com
Wed Jul 14 16:30:38 EDT 2010

Mike Miller [http://community.jboss.org/people/mikemil] replied to the discussion

"MDBs using RemoteJMSProvider seem to stop under large number of MDBs"

To view the discussion, visit: http://community.jboss.org/message/552627#552627

fyi... for anyone that may find my initial post:

I think we have worked thru our problem, which at this point we will  categorize as 'bad architecture'.   We had a hub & spoke  architecture with over 800 spokes.  The hub had a remote MDB pointing to  each spoke and each spoke had an remote MDB pointing to the hub.   The  main problem mostly at the hub - using Messaging w/Remoting bisocket -  this meant that, if all spokes were connected to the hub, we ended up  with over 2400 threads (800 hubs each getting a Connection Consumer  thread, along with 2 separate control socket thread (firewall between  hub and spokes)) along with everything else our hub server was trying to  do.

Data  flowed correctly for some time, then things appeared to break and  apparently we were getting networking problems on port 4457.    We have  changed our architecture to no longer use the remote MDBs and seem to be  much more stable.

Not sure exactly what in the flow was broken but things  are much more stable w/o the remote mdbs - may just too many remote  mdbs....


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