Use Java 5 concurrent collections for better concurrency (rather than 
synchronized collections) 
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         Key: DERBY-698
         URL: http://issues.apache.org/jira/browse/DERBY-698
     Project: Derby
        Type: Improvement
    Reporter: David Van Couvering


The new Java 5 concurrency utilities includes a set of concurrent collections 
that allow for greater concurrency than the current synchronized collections we 
are using.  This could provide performance improvements for Derby, particularly 
in CMT (chip multi-threading) architectures.

See  
http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/package-summary.html

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