.. or when the PendingMessageLimitStrategy is applied messages may be dropped based on desired message pattern.
> On May 21, 2024, at 10:40 AM, Jean-Baptiste Onofré <j...@nanthrax.net> wrote: > > 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. >>