[wildfly-dev] Configuration of statistics gathering

[Tomaž Cerar]

We have plans to add support for statistics to undertow subsystem.
but for now we don't have anything.

Plan is to support as much as web subsystem did.
Statistics will have a switch to be enabled/disabled.

--
tomaz


On Wed, Nov 6, 2013 at 6:51 PM, Jeff Mesnil <jmesnil at redhat.com> wrote:

> > 1) What statistical data does your subsystem capture (including the
> > underlying libraries it integrates).
> > 2) What configuration options do you support for enabling/disabling
> > statistics gathering. What's the resource address and attribute name of
> > the config option?
>
>
> For the messaging subsystem, we can capture message counters for queues[1].
>
> Capturing the counters is controlled by the
> /subsystem=messaging/hornetq-server=* resources
>
> * message-counter-enabled attribute (default to false) controls whether
> the hornetq-server resource capture the counters
> * message-counter-sample-period attributecontrols the interval to capture
> the counters (default to 10s, only relevant if message-counter-enabled is
> true)
> * message-counter-max-day-history attributes controls how many days to
> keep the message counter history (default to 10 days, only relevant if
> message-counter-enabled is true)
> => if message-counter-enabled is true, message-counter-sample-period is
> short, and message-counter-max-day-history is big, the counters can eat up
> a significant chunk of memory.
>
> The hornetq-server resource has 2 operations to reset the counters and
> their histories:
>
> * reset-all-message-counter-histories
> * reset-all-message-counters
>
> The counters themselves can be fetched from the queue and jms-queue
> resources (children of the /subsystem=messaging/hornetq-server=* resource)
> with the operations:
>
> * list-message-counter-as-json
> * list-message-counter-as-html
> * list-message-counter-history-as-json
> * list-message-counter-history-as-html
>
> > 3) Is the statistic gathering enabled by default?
>
>
> By default, nothing is enabled, nothing is gathered and there should be no
> performance or memory impact.
>
> [1]
> http://docs.jboss.org/hornetq/2.4.0.beta1/docs/user-manual/html_single/index.html#management.message-counters
>
> --
> Jeff Mesnil
> JBoss, a division of Red Hat
> http://jmesnil.net/
>
>
> _______________________________________________
> wildfly-dev mailing list
> wildfly-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/wildfly-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/wildfly-dev/attachments/20131106/b5a2bfdc/attachment-0001.html