Re: [jboss-as7-dev] Multiple HQ servers on the same AS instance

On 09/01/2011 03:23 PM, Brian Stansberry wrote: > Just an FYI for those interested in the HornetQ integration into the > AS. I recalled this morning a call I was on a couple years back where > an HA architecture was discussed based on two or more AS's w/ 2 HQ > servers on each, one on each AS acting as backup to one on another. > From chatting with Clebert today, it seems that architecture was > implemented. We have also discussed adding functionality to allow a single hornetq instance to cope with multiple journals, meaning a server could also be a backup as well as a live. If we did this you would only ever need a single instance. Depending on time frames this could be a better solution although we didnt have any plans to do it right away.

> > This has implications for the HQ integration in AS 7.1. Two support > this kind of architecture, we'd need to: > > 1) Add a high level element in the jboss-as-messaging.xsd schema that > encapsulates all the existing element and represents an HQ server. > > 2) Add a level to the messaging subsystem management resource tree for > same. > > 3) Rework any HQ-related MSC service names to account for the > possibility of multiple HQ servers. > > 4) Figure out an other issues this introduces as far as integrating > with other services that depend on the messaging services. >