[rabbitmq-discuss] Trace Plugin

Matthias Radestock matthias at rabbitmq.com
Tue May 28 13:24:39 BST 2013

On 28/05/13 13:12, Jeffery, Mark wrote:
> The trace plugin is still listed as “experimental”.
> Would anyone be willing to confirm its readiness for use in a production
> environment ?

We are not planning any major work on it in the foreseeable future.
We haven't received many bug reports or feature requests since releasing 
it. Which could mean either the plug-in works perfectly, or it doesn't 
get used much, or both :) Take your pick.

> Another thing that I would just like to confirm :
> Even if the tracing plugin is disabled, the command parameters trace_on
> and trace_off are still available to be passed to rabbitmqctl, they will
> just have no effect ?

As the description of rabbitmq_tracing says... it "Adds message tracing 
to the management plugin. Logs messages from the firehose in a couple of 
formats.". So the actual tracing is done by the firehose 
(http://www.rabbitmq.com/firehose.html), and that's what 'rabbitmqctl 
trace_{on,off}' controls. Hence even without the rabbitmq_tracing 
plug-in, there is a cost to running with tracing enabled.



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