[rabbitmq-discuss] RabbitMQ sometimes does not show messages_ready

[Malte Hurrelmann]

The queues can in fact be idle for some time.
Ok, so I guess it's time for us to upgrade to a more recent version and
try again.

Thanks for the support.

Malte.

On Mi, 2014-06-25 at 13:05 +0100, Simon MacMullen wrote:
> Hmmm, that does sound like
> 
> 25872 prevent empty queues from showing length as '?' after going idle
>        (since 3.1.0)
> 
> from http://www.rabbitmq.com/release-notes/README-3.2.2.txt
> 
> ...although it doesn't seem to be showing '?' in your case.
> 
> If it is that bug then the queues will stop showing lengths if they a) 
> are empty and b) haven't done anything in an hour.
> 
> "anything" there is quite strictly defined - even replying to 
> "rabbitmqctl list_queues" will wake them enough to untrigger the bug. So 
> you could try that too.
> 
> Cheers, Simon
> 
> On 25/06/14 12:51, Malte Hurrelmann wrote:
> > Hi there,
> >
> > I recently came across a strange behaviour when asking RabbitMQ (version
> > 3.1.5) for the number of messages in each queue.
> >
> > Normally it all works fine and the usual ways:
> > - REST-api's key 'messages_ready'
> > - management-console's 'ready'-column and
> > - 'rabbitmqctl list_queues'
> >
> > all return the expected number of messages for each queue.
> > But every now and then this information is just missing for most of the
> > queues. It will return after some time by itself (I saw times up to one
> > hour, but it may be even more) but as I wrote some scripts that depend
> > on the REST-api, this behaviour is somewhat annoying.
> >
> > Is this a known issue? I looked through the bugfix-sections of each
> > newer release but could not find an entry where this issue was fixed.
> >
> > Best regards,
> > Malte.
> >
> >
> >
> >
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> > rabbitmq-discuss at lists.rabbitmq.com
> > https://lists.rabbitmq.com/cgi-bin/mailman/listinfo/rabbitmq-discuss
> >
> 
>