Hi Tim ! thanks a lot.
> The documentation you linked to is for the AMQ message store, not the > KahaDB message store. So if you're using KahaDB as you say, then the page > you linked to is irrelevant. I finally understood that AMQ and KahaDB are different. > KahaDB behaves as I described. You only risk losing messages that have not > yet been accepted (i.e. you don't risk losing anything). If I recall > correctly, the only thing that's flushed to disk periodically is the > index, > and that can be rebuilt from the raw journal files so there's no risk of > data loss, just a slower broker startup. I feel relieved that it seems there is no risk. I found the following site. Is this helpful for me? http://www.idevnews.com/images/emailers/110127_ProgressFUSE/WhitePapers/ActiveMQinActionCH05.pdf -- Sent from: http://activemq.2283324.n4.nabble.com/ActiveMQ-User-f2341805.html