[rabbitmq-discuss] TTL

Thu Apr 4 20:33:41 BST 2013

No, I'm seeing my consumer retrieve a message which should have been
expired.

On Thu, Apr 4, 2013 at 1:51 PM, Jerry Kuch <jerryk at rbcon.com> wrote:

> What characterizes a pass or fail for your particular tests?
>
> The behavior you'd expect to see is documented at:
> http://www.rabbitmq.com/ttl.html
>
> Note that:
>
> "While consumers never see expired messages, only when expired messages
> reach the head of a queue will they actually be discarded (or
> dead-lettered). When setting a per-queue TTL this is not a problem, since
> expired messages are always at the head of the queue. When setting
> per-message TTL however, expired messages can queue up behind non-expired
> ones until the latter are consumed or expired. Hence resources used by such
> expired messages will not be freed, and they will be counted in queue
> statistics (e.g. the number of messages in the queue)."
>
>
> On Thu, Apr 4, 2013 at 10:56 AM, Derek Greer <dbgreer at gmail.com> wrote:
>
>> I've got several tests which publish a message with a TTL of 1
>> millisecond and then attempt to pull the message off was
>> fail intermittently.  I've altered the tests to insert a thread sleep of 1,
>> 3, 5 and finally 10 seconds before the tests pass 100% of the time.  This
>> seems to be a bug.  Are messages checked for expiration periodically, at
>> the point a consumer connects and dequeues, both?  It would seem the latter
>> isn't happening.
>>
>> Derek
>>
>> _______________________________________________
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>> rabbitmq-discuss at lists.rabbitmq.com
>> https://lists.rabbitmq.com/cgi-bin/mailman/listinfo/rabbitmq-discuss
>>
>>
>
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>

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Derek Greer
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