By the way, you can see filter example on the Decanter documentation: http://karaf.apache.org/manual/decanter/latest-2/html/#_jmx <http://karaf.apache.org/manual/decanter/latest-2/html/#_jmx>
object.name.system=java.lang:* object.name.karaf=org.apache.karaf:type=http,name=* object.name.3=org.apache.activemq:* Regards JB > Le 1 juin 2021 à 12:50, Steven Huypens <[email protected]> a écrit : > > Hi François, > > Thanks, I will try that ! > > Best regards, > Steven > > On Tue, Jun 1, 2021 at 11:22 AM Francois Papon <[email protected] > <mailto:[email protected]>> wrote: > Hi, > > You can add a filter on MBean in the cfg file of your collector. > > Here an example with Camel MBean only: > > https://github.com/apache/karaf-decanter/blob/main/collector/jmx/src/main/cfg/org.apache.karaf.decanter.collector.jmx-camel.cfg > > <https://github.com/apache/karaf-decanter/blob/main/collector/jmx/src/main/cfg/org.apache.karaf.decanter.collector.jmx-camel.cfg> > regards, > > François > [email protected] <mailto:[email protected]> > Le 01/06/2021 à 11:07, Steven Huypens a écrit : >> Hi, >> >> Enabling the JMX-collector leads to a very high CPU load in our application, >> making it impossible to use. I'm not sure, but I think especially the >> org.apache.karaf MBeans are expensive to harvest, maybe because of the size >> of our application (>900 bundles). >> >> It would be very useful if we could configure which MBeans we are interested >> in. >> >> Kind regards, >> Steven >> >> >> On Mon, May 3, 2021 at 6:14 AM Jean-Baptiste Onofre <[email protected] >> <mailto:[email protected]>> wrote: >> Hi Daniel, >> >> JMX collector polls all MBeans attributes. However Prometheus appender only >> expose metrics (numeric) on the Prometheus servlet: >> >> http://localhost:8181/decanter/prometheus >> <http://localhost:8181/decanter/prometheus> >> >> As the generated JMX JSON is "more" than just numeric, it’s possible that >> you don’t have the metrics. >> >> You can check the JMX JSON using another kind of appender (like log appender >> or elasticsearch). >> I can add kind of "json introspection" on the Prometheus appender to "force" >> some JSON fields as metrics (gauge). >> >> Regards >> JB >> >> > Le 2 mai 2021 à 22:24, Daniel Las <[email protected] >> > <mailto:[email protected]>> a écrit : >> > >> > Hi, >> > >> > I installed Decanter 2.7.0 on Karaf 4.2.11 with JMX collector and >> > Prometheus appender features. I uncommented >> > "object.name.system=java.lang:*" in >> > org.apache.karaf.decanter.collector.jmx-local.cfg. >> > >> > Where can I find JVM metrics like current heap memory usage? >> > >> > Regards >> > -- >> > Daniel Łaś >> > >>
