On 09/12/2013 05:44 AM, Christian Fromme wrote:
Hi Gordon,
thanks again for your quick reply.
On Thu, Sep 12, 2013 at 11:25 AM, Gordon Sim <[email protected]> wrote:
I think the drops are caused by management events. The broker will generate
events and route them to the management exchanges. However if there is
no-one subscribed to receive those events, then they will just be dropped.
Using qpid-stat will itself trigger the raising of events on the broker
(connection opened and closed, queues created and destroyed etc).
Furthermore I believe there is some periodic 'publishing' of current object
stats which again may well just be dropped.
Ideally these stats related to management itself would be hidden by default
of course.
From what you write, it sounds like its probably safe to ignore them. Good.
What Gordon says is true. Those are internally generated management and
status updates that there is no subscriber for.
Nevertheless if time permits, I may try to connect with a dummy-client
to the exchanges that cause high message drops and look into what
those messages are. We will deploy the application into live operation
in a few month and I would rather be on the safe side there. ;-)
If you run qpid-tool, it will subscribe to the updates. The
qpid-printevents utility will subscribe to (and display) the events.
-Ted
Thanks,
Christian
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