Hi, If you don't have any subscribers on the topic, the message is directly removed.
If you have subscribers or durable subscribers, the message is removed when all subscribers send the ack. Regards JB On Thu, May 16, 2024 at 5:10 PM William Crowell <wcrow...@perforce.com.invalid> wrote: > > Hi, > > When is a message dropped from memory on a topic? When it is acknowledged? > > I have 10 topics that I noticed that are occupying a large amount of heap > from Eclipse’s Memory Analysis Tool. I am not seeing any evidence of a > memory leak, but we have configured a paging policy for each one of these > topics to combat the issue. > > I noticed there is a messagesAcknowledged and messagesAcknowledged fields on > org.apache.activemq.artemis.core.server.impl.QueueImpl. messagesAcknowledge > is usually zero on these queues which take a lot of heap. > > Regards, > > William Crowell > > > > > This e-mail may contain information that is privileged or confidential. If > you are not the intended recipient, please delete the e-mail and any > attachments and notify us immediately. >
