[jboss-jira] [JBoss JIRA] (WFLY-12167) Memory leak in metrics in standalone-ha configuration

[Jeff Mesnil (Jira)]

    [ https://issues.jboss.org/browse/WFLY-12167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13742648#comment-13742648 ] 

Jeff Mesnil commented on WFLY-12167:
------------------------------------

[~bsx303] could you please provide a head dump?

If the issue occurs only with the HA configuration that means that one of the subsystems present only in that configuration is holding memory to store its metrics leading to the memory leak.

> Memory leak in metrics in standalone-ha configuration
> -----------------------------------------------------
>
>                 Key: WFLY-12167
>                 URL: https://issues.jboss.org/browse/WFLY-12167
>             Project: WildFly
>          Issue Type: Bug
>          Components: MP Metrics
>    Affects Versions: 16.0.0.Final
>            Reporter: Bernd Stolle
>            Assignee: Jeff Mesnil
>            Priority: Major
>              Labels: memoryleak
>
> When started in standalone HA configuration every request to the recently added metrics endpoint ({{<management-if>:9990/metrics}}) lead to an increase in memory consumption until the JVM is slowed down significantly by GC to a point where even the requests to {{/health}} fail within a reasonable timeout (2s) and untlimately lead to OOM.
> The same issue does not occur when WildFly is started in the default standalone configuration (non HA).
> I can provide a (compressed) heap dump if required.



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