I think that it would be better for Muse (WSDM)
to support metrics monitoring event notification like JMX GaugeMonitor.
Metric monitoring like JMX GaugeMonitor is not expressible
with XPath (which is used for describing the filtering condition in the
current WSN).
In the case of GaugeMonitor,
we can set high threshold and low threshold on a single metric.
We can get notifications when the observed metric value reaches those
thresholds. The event indicating that the value of the observed
RP (metric) exceeds the high threshold will not be fired again
until the value goes below the low threshold and the reverse.
We can not express this kind of filtering conditions by using the current
ProducerProperties filter.
So I'd like to develop new feature that enables this kind of metrics
monitoring. For example, defining a new dialect
specific to metrics monitoring (JMX monitoring) might be one solution.
And the feature which enables the mapping between WSDM RP and MBean
attribute would be useful too.
Do you have any comments?
Thanks,
Hideharu Kato
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