[jboss-jira] [JBoss JIRA] Assigned: (JBVFS-105) Performance enhancement: AbstractVirtualFileHandler refcounts

[Ales Justin (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBVFS-105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ales Justin reassigned JBVFS-105:
---------------------------------

    Assignee: David Lloyd


> Performance enhancement: AbstractVirtualFileHandler refcounts
> -------------------------------------------------------------
>
>                 Key: JBVFS-105
>                 URL: https://jira.jboss.org/jira/browse/JBVFS-105
>             Project: JBoss VFS
>          Issue Type: Patch
>      Security Level: Public(Everyone can see) 
>            Reporter: David Lloyd
>            Assignee: David Lloyd
>            Priority: Trivial
>             Fix For: 2.1.2.GA
>
>
> A minute performance improvement can be had by switching from AtomicInteger to a volatile int field, with the help of a static AtomicIntegerFieldUpdater, since the refcount is read many orders of magnitude more often than it is written (roughly 2 million times on an average JBAS 5.1 startup).

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