[jboss-jira] [JBoss JIRA] (AS7-4464) EJB3 deployment metrics missing

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/AS7-4464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12769534#comment-12769534 ] 

RH Bugzilla Integration commented on AS7-4464:
----------------------------------------------

Carlo de Wolf <cdewolf at redhat.com> made a comment on [bug 911117|https://bugzilla.redhat.com/show_bug.cgi?id=911117]

We are still missing the cache statistics. These were never ported over from the deprecated StatefulCache interface.

As for the other ones, they don't make sense.

The statistics are meant to be used in a round-robin database. Where the RRD dictates the interval. So for EAP the interval should be an external variable.

In EAP 5 you could reset the statistics, but the time-series between last query and reset would be lost. Essentially it is a very crude hammer to notify EAP of the interval.
This also makes it an unstable piece of EJB3 code.

I choose to ditch that, which makes min, max and average non-existent. There is no interval known to EAP. This makes for stable data point queries.

Ultimately I still want to be able to have a performance ui as I drafted ~4 years ago, wherein the pressure on each EJB is properly visualized.
I'm not sure whether it needs a re-introduction of the interval notion.
It would need some additional means to provide data points to the histogram though.
                
> EJB3 deployment metrics missing
> -------------------------------
>
>                 Key: AS7-4464
>                 URL: https://issues.jboss.org/browse/AS7-4464
>             Project: Application Server 7
>          Issue Type: Bug
>          Components: EJB
>    Affects Versions: 7.1.1.Final
>            Reporter: Stefan Negrea
>            Assignee: Carlo de Wolf
>            Priority: Critical
>              Labels: rhq
>             Fix For: 8.0.0.Alpha1
>
>
> The following metrics are missing from AS7 EJB3 subsystem from deployment when compared to AS5 exposed metrics:
> Stateless Session Bean
> Method Invocation Time - The minimum, maximum, and average invocation times for each of the methods exposed by this EJB
> Stateful Session Bean
> Method Invocation Time - The minimum, maximum, and average invocation times for each of the methods exposed by this EJB
> Cache Size - Cache Size
> Passivated Count - Passivated Count
> Total Size - Total Size

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