[jboss-jira] [JBoss JIRA] Created: (JBCL-20) Don't use CopyOnWriteArraySet for caching and blacklisting

[Adrian Brock (JIRA)]

Don't use CopyOnWriteArraySet for caching and blacklisting
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                 Key: JBCL-20
                 URL: https://jira.jboss.org/jira/browse/JBCL-20
             Project: JBoss ClassLoader
          Issue Type: Task
          Components: ClassLoader
    Affects Versions: JBossCL.2.0.0.Beta12
            Reporter: Adrian Brock
            Assignee: Adrian Brock
             Fix For: JBossCL.2.0.0.CR1


According to the javadoc CopyOnWriteArraySet is not designed for large sets.
I'm seeing slow calls to blacklist.contains(className) in JBossAS

Instead use a ConcurrentHashMap (effectively only the key side).

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