[jboss-jira] [JBoss JIRA] (WFLY-4881) Cli calls leak memory in Host Controller when reading children names in domain mode

[Michael Noack (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-4881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13088268#comment-13088268 ] 

Michael Noack commented on WFLY-4881:
-------------------------------------

Looks like the workaround is working.

There is still memory leaking to old gen, but a lot less. Once old gen fills up, it looks like the jvm is able to collect most of it. It's hard to tell if everything gets collected after just two full gc events in 7 hours. I will have the test keep running over the weekend and see if the instance survives with reasonable amount of memory used in old gen on average.

> Cli calls leak memory in Host Controller when reading children names in domain mode
> -----------------------------------------------------------------------------------
>
>                 Key: WFLY-4881
>                 URL: https://issues.jboss.org/browse/WFLY-4881
>             Project: WildFly
>          Issue Type: Bug
>          Components: Domain Management, Remoting
>    Affects Versions: 8.1.0.Final, 8.2.0.Final, 9.0.0.Final
>         Environment: CentOS 6.5:
> # java -version
> java version "1.7.0_79"
> OpenJDK Runtime Environment (rhel-2.5.5.2.el7_1-x86_64 u79-b14)
> OpenJDK 64-Bit Server VM (build 24.79-b02, mixed mode)
> CentOS 7.0:
> # java -version
> java version "1.7.0_80"
> Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
> Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)
>            Reporter: Michael Noack
>            Assignee: David Lloyd
>            Priority: Critical
>             Fix For: 10.0.0.Beta1
>
>         Attachments: host-controller-jvm.png
>
>
> Calling the cli using the command:
> {{jboss-cli.sh --connect  --user="myuser" --password="mypassword" --command=":read-children-names(child-type=host)"}}
> leaks memory to old gen. Eventually the host controller goes OOM if called to often.



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