On 22 March 2018 at 16:57, Rob Godfrey <rob.j.godf...@gmail.com> wrote: > On 22 March 2018 at 12:35, Bryan Dixon <br...@bldixon.net> wrote: > >> Rob, I wouldn't know if messages are being stored or not. I'm assuming >> they >> are not since a broker restart causes the messages to be 'lost' but that's >> just my assumption. >> > > OK - great, just checking > > >> >> At the end of day Keith is correct - the behavior is what I was wanting - >> the messages don't appear to be persistent (to me persistent means stored). >> It was just very confusing that the web admin UI was displaying Persistent: >> true for messages and the JMS JMSDeliveryMode header also reported the >> message as Persistent yet I defined on the web admin UI Persist Messages?: >> NEVER. That's why I was concerned there was an issue. >> >> I'm also coming at this from a JMS perspective and not an AMQP one so that >> could be causing my confusion - terminology differences. >> >> > I think this is really just a broker presentation issue rather than a > JMS/AMQP thing.
Sounds like it. Effectively the broker (and sending/receiving client) is simply reporting whats true for the message as sent in JMS and AMQP terms, it actually was a persistent/durable message that has been sent, however its also true that queue is explicitly configured to ignore that and not actually store it to disk. I'm not sure theres really a great alternative to doing it that way. I'd probably be surprised personally if it started saying non-persistent just because the queue was configured in that manner. > Both JMS and AMQP basically say that properties like > persistence shouldn't be changed by the network. They are effectively > statements of requirements made by the sender of the message "I want this > message to be stored persistently". In the case of setting the queue to > never persist a message we are basically saying that we are deliberately > ignoring the sender's wishes. Note (for instance) if you set up a DLQ for > a queue with persist NEVER, and that DLQ did not have the persistence > override, then if the message moved to the DLQ then it would be persisted > (because the DLQ would respect the wishes of the sender as expressed in the > message header information). > > -- Rob > > Bryan >> >> >> >> -- >> Sent from: http://qpid.2158936.n2.nabble.com/Apache-Qpid-users- >> f2158936.html >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@qpid.apache.org >> For additional commands, e-mail: users-h...@qpid.apache.org >> >> --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@qpid.apache.org For additional commands, e-mail: users-h...@qpid.apache.org
