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

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 Priority: Trivial Fix For: 2.2.0.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).