[jboss-jira] [JBoss JIRA] (JBRULES-3313) FileManager does several explicit System.gc(); calls which does a stop-the-world garbage collect halting all threads on the entire system

[Mark Proctor (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Proctor resolved JBRULES-3313.
-----------------------------------

    Resolution: Won't Fix

    
> FileManager does several explicit System.gc(); calls which does a stop-the-world garbage collect halting all threads on the entire system
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-3313
>                 URL: https://issues.jboss.org/browse/JBRULES-3313
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>            Reporter: Geoffrey De Smet
>            Assignee: Mark Proctor
>            Priority: Critical
>
> Performance tuning presentations state that System.gc() is bad as it stops all threads in the JVM for a long garbage collect, which kills the load a server can handle.
> FileManager does it on 2 lines:
> {code}
>             while ( !file.delete() && count++ < 5 ) {
>                 System.gc();
>                 ...
>             }
> {code}
> Findbugs notices it too.

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