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From panin <pawel.niem...@cybercomgroup.com>
Subject Cleaning up acknowledged messages of topic with selectors' consumers
Date Mon, 28 Jul 2008 21:10:26 GMT

Hi,

I think there is a problem with cleaning up acknowledged messages from
database when they belong to a topic which consumers use selectors in
ActiveMQ. The delete statement (that can be configured) takes min value of
acked messages of all selectors in the topic, but if consumers of messages
use selectors, it can happen that messages are not being cleaned up. For
example, let's take three selectors with names A,B,C. Assume that all
messages are addressed only to A and B. The min value of last_acked message
will be 0 all the time according to the statement, so the acked messages
won't be deleted. There is a possibility to tune the delete statement, but I
think that it should be propably taken into account but default to delete
those kind of acknowledged messages.

br,
Pawel
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