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Posted to dev@uima.apache.org by "Marshall Schor (JIRA)" <de...@uima.apache.org> on 2014/02/19 20:26:23 UTC

[jira] [Created] (UIMA-3638) Remove potential sync bottleneck in RsFullFeatNames

Marshall Schor created UIMA-3638:
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             Summary: Remove potential sync bottleneck in RsFullFeatNames
                 Key: UIMA-3638
                 URL: https://issues.apache.org/jira/browse/UIMA-3638
             Project: UIMA
          Issue Type: Improvement
          Components: Core Java Framework
    Affects Versions: 2.5.0SDK
            Reporter: Marshall Schor
            Priority: Minor
             Fix For: 2.5.1SDK


In large UIMA deployments with multiple threads, some synchronization contention is detected in RsFullFeatNames.  Replace with concurrentHashMap, and discard the weakpointers to keys, which is not much of a hazard - because the tables are relatively small vs other memory uses.



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