[rabbitmq-discuss] RabbitMQ Issues -> Losing confidence in it.

Thu Aug 4 13:13:52 BST 2011

-Messages are regularly acked by the application using RabbitMQ.
The application is Thrift Server and before returning the Thrift RPC call,
the RabbitMQ ack is sent back.

-Abhishek Kona

On Thu, Aug 4, 2011 at 1:28 PM, Alex Lovell-Troy
<alex.lovelltroy at gmail.com>wrote:

> This sounds like the behavior I've seen when you consume messages
> without acking them.
>
> Does that ring a bell for anyone else?
>
> -alex
>
> On Thu, Aug 4, 2011 at 3:30 AM, Abhishek K <abhishek.kona at gmail.com>
> wrote:
> > Hi,
> > All the queues were long lived.
> > There was only a single exchange all queues bound to that exchange, all
> > queues were durable.
> > The routing key was an individual string for each queue.
> > -Abhishek Kona
> > On Wed, Aug 3, 2011 at 10:55 PM, Jason J. W. Williams
> > <jasonjwwilliams at gmail.com> wrote:
> >>
> >> What was the configuration of the exchanges (type), queues (type and
> >> flags) and bindings? Also were the queues long-lived or are they being
> >> created and destroyed constantly?
> >>
> >> -J
> >>
> >> On Wed, Aug 3, 2011 at 11:17 AM, Abhishek K <abhishek.kona at gmail.com>
> >> wrote:
> >> > I am using Erlang R12B. The server had around 20GB of Ram.
> >> > There were around 30 queues on the server with the total memory
> >> > consumption
> >> > calculated with
> >> > $ rabbitmqctl list_queues name memory
> >> > -Abhishek Kona
> >> >
> >> > Abhishek Kona
> >> > Department of Computer Engineering
> >> > National Institute of Technology
> >> > Karnataka, India
> >> >
> >> >
> >> > On Wed, Aug 3, 2011 at 5:21 PM, Emile Joubert <emile at rabbitmq.com>
> >> > wrote:
> >> >>
> >> >> Hi Abhishek,
> >> >>
> >> >> On 03/08/11 11:15, Abhishek K wrote:
> >> >> > I am running RabbitMQ 2.20 on Debian Lenny (2.6.26).
> >> >> > There was no changes in the code using RabbitMQ, only the usage
> rate
> >> >> > increased by 20%.
> >> >>
> >> >> You don't mention the version of Erlang you use. It is worth bearing
> in
> >> >> mind that later versions of Erlang do better garbage collection.
> Also,
> >> >> how much RAM is installed on the server? You should generally expect
> >> >> that Erlang / RabbitMQ will use as much RAM as it can.
> >> >>
> >> >> You said that the broker uses 11GB RAM and that the queue size was
> 7MB
> >> >> -
> >> >> how were these figures determined? If that 7MB is distributed across
> a
> >> >> large number of queues then that is a possible explanation for the
> high
> >> >> memory usage. If the startup after a clean  shutdown takes an
> >> >> inordinate
> >> >> amount of time then you might have more than 7MB worth of messages on
> >> >> the broker.
> >> >>
> >> >> You should also inspect the results from running all the "rabbitmqctl
> >> >> list_*" commands to make sure your application isn't using up too
> many
> >> >> resources (e.g. queues or exchanges) on the broker.
> >> >>
> >> >> RabbitMQ version 2.5.1 adds more memory reporting features to the
> >> >> "rabbitmqctl status" command, with a breakdown of where memory is
> being
> >> >> used. This is not available on version 2.2.0, but it is another
> >> >> possible
> >> >> reason to upgrade.
> >> >>
> >> >>
> >> >>
> >> >> Regards
> >> >>
> >> >> Emile
> >> >
> >> >
> >> > _______________________________________________
> >> > rabbitmq-discuss mailing list
> >> > rabbitmq-discuss at lists.rabbitmq.com
> >> > https://lists.rabbitmq.com/cgi-bin/mailman/listinfo/rabbitmq-discuss
> >> >
> >> >
> >
> >
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> >
> >
>
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