[jboss-jira] [JBoss JIRA] (AS7-4018) Large amount of open files for jsf-impl on AS 7

[Cody Lerum (JIRA)]

    [ https://issues.jboss.org/browse/AS7-4018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12679056#comment-12679056 ] 

Cody Lerum commented on AS7-4018:
---------------------------------

So I did a little digging on this here is what I found.


I am currently running with the following options

-XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:+UseFastAccessorMethods -XX:-DisableExplicitGC -verbosegc

At the start of this I had 867 copies of the jsf-impl when doing a ls -l /proc/xxxxx/fd

I pulled a heap dump like jmap -J-d64 -dump:,format=b,file=heap.bin and wasn't able to glean much from that.

I then did a jmap -J-d64 -dump:live,format=b,file=live_heap.bin and after I ran that the file count was 8

So it appears triggering a full GC cleans up the open files.
                
> Large amount of open files for jsf-impl on AS 7
> -----------------------------------------------
>
>                 Key: AS7-4018
>                 URL: https://issues.jboss.org/browse/AS7-4018
>             Project: Application Server 7
>          Issue Type: Bug
>          Components: JSF
>    Affects Versions: 7.1.0.Final
>            Reporter: Cody Lerum
>            Assignee: Stan Silvert
>             Fix For: 7.1.2.Final
>
>
> Basically what I am seeing is the amount of open files for the jsf-impl increasing steadily the longer the app server is running.
> /usr/local/jboss-as-7.1.0.Final/modules/com/sun/jsf-impl/main/jsf-impl-2.1.5-jbossorg-1.jar
> watching via 
> ls -lha /proc/xxxx/fd | grep jsf-impl | wc
> I can see the file count increase with every page load.
> What info is needed to dig into this deeper?

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