Matt, > Have you considered a purely static network configuration? Due to firewall constraints, we are forced to use "duplex" routing. Static routing only seems to work one-way, thus it does not look useable to me.
e. -----Oorspronkelijk bericht----- Van: Matt Pavlovich <mattr...@gmail.com> Verzonden: donderdag 20 mei 2021 18:31 Aan: users@activemq.apache.org Onderwerp: Re: question on ActiveMQ advisory messages for large cluster EXTERNAL SENDER: Do not click any links or open any attachments unless you trust the sender and know the content is safe. EXPÉDITEUR EXTERNE: Ne cliquez sur aucun lien et n’ouvrez aucune pièce jointe à moins qu’ils ne proviennent d’un expéditeur fiable, ou que vous ayez l'assurance que le contenu provient d'une source sûre. Hi Erwin- Have you considered a purely static network configuration? -Matt Pavlovich > On May 20, 2021, at 11:12 AM, Dondorp, Erwin <erwin.dond...@cgi.com> wrote: > > Hello! > > We are using ActiveMQ in a star-network of a few hundred remote brokers on > small computers with a more beefy central broker(set). > Functionally, this works fine. > Unfortunately, the network is not always stable (but this is exactly why we > use a messaging solution). > On network problems that affect most-or-all remote brokers, upon > reconnection, a very large amount of advisory messages are sent between the > nodes. > The amount of messages seems to be quadratic with the number of brokers. > And the number of advisory message types is high because we use unique > destinations per remote broker, so the amount is actually cubic. > We see millions of these messages on such occasions. > > Obviously, we are trying to reduce this, and looked at > https://urldefense.com/v3/__https://activemq.apache.org/advisory-message__;!!AaIhyw!9Vw1LVPo-hNr3HyIBXw_vR7Y6Rl9ZuFTKWrblXLbRW-s0o8q8Vah2B9ZtAt9C2Qr$ > and > https://urldefense.com/v3/__https://activemq.apache.org/networks-of-brokers__;!!AaIhyw!9Vw1LVPo-hNr3HyIBXw_vR7Y6Rl9ZuFTKWrblXLbRW-s0o8q8Vah2B9ZtMYftVeh$ > . > But no obvious solution was in sight. > > The question: > Most of the advisory messages are useless; they are about destinations that a > broker does not have any consumers or producers for, but still these are > subscribed to. > Is there a way to reduce the subscriptions on advisory topics to only the > interesting ones? > > thx, > Erwin
