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From "James Strachan" <james.strac...@gmail.com>
Subject Re: active mq (message expiration)
Date Tue, 18 Dec 2007 16:06:44 GMT
Using what version & what kind of messaging?

On 17/12/2007, Gnanaprakash <remindprakash@gmail.com> wrote:
>
> Hi,
>
> I am also facing a similar issue.
>
> The messages are not expiring as expected and they are consumed again by the
> subscribers
> if we bring them down and restart again.
>
> We are setting the expiration TTL on client side and setting the message
> expiration age too.
>
> Also in the durable subscriber we are doing an ack and commiting the message
> and subscriber.
>
> Still the  message does not expire and when we restart the consumers, they
> are redelivered again.
>
> Has this been fixed or is there any other configuration we need to do.
>
> Thanks
> Gnanaprakash
>
>
>
> Suchitha Koneru (sukoneru) wrote:
> >
> > Hello Active MQ users/developers ,
> >                               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.
> > 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  ?
> >
> > if this is the case will active mq occupy a lot of disk space.?
> >
> > The active mq data folder is always around (40.7-40.8 MB).
> >
> > 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.
> >
> > Please  let me know, as to what can be done in this regard. Would
> > switching to non durable subscribers solve the problem ?
> >
> > is there a tool which I can use for  browsing through active mq's
> > Message Queues ?
> >
> > thanks,
> > Suchitha.
> >
> >
> >
> >
> >
> >
> >
> >
>
> --
> View this message in context: http://www.nabble.com/active-mq-%28message-expiration%29-tp12247012s2354p14374029.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>


-- 
James
-------
http://macstrac.blogspot.com/

Open Source Integration
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