[jboss-jira] [JBoss JIRA] (WFLY-11399) Do not expose WildFly metrics in /metrics endpoints

[Jeff Mesnil (Jira)]

Jeff Mesnil created WFLY-11399:
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             Summary: Do not expose WildFly metrics in /metrics endpoints
                 Key: WFLY-11399
                 URL: https://issues.jboss.org/browse/WFLY-11399
             Project: WildFly
          Issue Type: Bug
          Components: MP Metrics
    Affects Versions: 15.0.0.Beta1
            Reporter: Jeff Mesnil
            Assignee: Jeff Mesnil
             Fix For: 15.0.0.CR1


MicroProfile Metrics mandates that metrics names are unique and does not able to have multiple suppliers for the same metric with different labels.
Due to this restriction, the names of WildFly metrics are long and convoluted; e.g. `deployment/example.war/subsystem/undertow/servlet/org.example.MyServlet/request-count`

This type of names prevents any aggregation in Prometheus and is very different from the names configured in the imx-exporter for older WildFly versions (https://github.com/jboss-openshift/cct_module/pull/314)
Instead, the name of the metric should be "simple" (e.g. undertow_request_count) and the different supplies should provide labels:

{code}
undertow_request_count{deployment="foo.war", servlet="MyServletA"} 5.0
undertow_request_count{deployment="foo.war", servlet="MyServletB"} 10.0
{code}

In its current state the WildFly metrics are not usable and we should disable them until they are properly exposed in a correct state.
Since 



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