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Subject: active mq (message expiration)
Date: Mon, 20 Aug 2007 18:47:04 -0700
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 <5BD9FA70F5EDAC43AB816A5FDE30F6AC04F332AC@xmb-sjc-21a.amer.cisco.com>
Thread-Topic: active mq (message expiration)
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From: "Suchitha Koneru \(sukoneru\)" <sukoneru@cisco.com>
To: <users@activemq.apache.org>
Cc: "Navinjai Mittal \(navin\)" <navin@cisco.com>

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Hello Active MQ users/developers ,=20
                              Our application uses  non persistent
embedded broker ,durable subscribers , topic publishers . The active mq
version is 4.1.1(release version).  There are two topic publishers and
two durable subscribers respectively.
In your previous responses, you specified that for durable subscribers
active mq maintains  a queue of messages (Message Queue). For each of
the durable subscribers, a queue of references  is maintained , the
references point to the messages stored in  Message Queue.=20
Are these queues maintained in RAM or on the disk ?
There is TTL of  5 minutes on all the messages.
What is the behavior if the messages are not consumed  after 5 minutes
? There is JIRA issue  AMQ-1112 (Messages still exist after TTL).   Will
the messages keep accumulating in the message queue and the
corresponding references  in the individual queues  ?
=20
if this is the case will active mq occupy a lot of disk space.?
=20
The active mq data folder is always around (40.7-40.8 MB).=20
=20
This issue is fixed in  5.0 snap shot, cannot upgrade to snap shot
version, as Iam not sure how stable it is. We are going into production
next month.
=20
Please  let me know, as to what can be done in this regard. Would
switching to non durable subscribers solve the problem ?
=20
is there a tool which I can use for  browsing through active mq's
Message Queues ?
=20
thanks,
Suchitha.
=20
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                   =20

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