That was definitely my point of confusion, thank you both for clearing it up.
One quick follow up - what's the best way to analyze the contents of a "*.amq" journal file? I've tried various uses of the "artemis data ___" command, but I've never gotten the messages I've sent during a broker's session to show up when analyzing the journal files with any methods I've tried. On Tue, Jan 25, 2022 at 12:17 PM Justin Bertram <jbert...@apache.org> wrote: > In my opinion the documentation is not very clear on this point. It says: > > > ActiveMQ Artemis will keep a copy of each generated journal file, up to > the configured retention period, at the unit chose. On the example above > the system would keep all the journal files up to 365 days. > > As far as I can tell "each generated journal" file is different from > "candidates for deletion." > > I will fix this soon if nobody else beats me to it first. > > > Justin > > On Tue, Jan 25, 2022 at 11:09 AM Gary Tully <gary.tu...@gmail.com> wrote: > > > It does not keep two copies of the data, is is more that journal files > > that are candidates for deletion are archived or retained rather than > > being deleted. > > if the data is still in the journal, then it won't exist in the > > retention folder. > > > > send and consume more messages such that compaction would cleanup and > > remove some journal data files, those will then appear in the > > retention folder. > > > > On Tue, 25 Jan 2022 at 16:33, Matthew Harris <harrisman1...@gmail.com> > > wrote: > > > > > > Hi, > > > > > > I'm trying to set up data persistence with an Artemis ActiveMQ broker, > > > version 2.20.0. > > > > > > In broker.xml, I use a "journal-retention-directory" tag to create a > > > copy of the journals generated by running the broker in the > > > "data/retention" directory for 365 days, as described in the > > documentation > > > here: > > > > > > https://activemq.apache.org/components/artemis/documentation/latest/persistence.html > > > . > > > > > > After I do this, I use "artemis producer" and "artemis consumer" to > send > > > and receive sample messages and populate the journal with data. > However, > > > once I stop the broker using "artemis stop" and move to the > > > "data/retention" directory, I see no copies of the journals. > > > > > > Am I missing something in the set up, or is there something else I need > > to > > > do to enable retention? I've been troubleshooting this for a bit and > am a > > > little lost. > > > > > > Thanks, > > > Matthew > > > > >
