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Posted to dev@uima.apache.org by "Marshall Schor (JIRA)" <de...@uima.apache.org> on 2014/02/28 23:24:19 UTC

[jira] [Created] (UIMA-3662) reduce sync contention in get/release CASes from pools

Marshall Schor created UIMA-3662:
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             Summary: reduce sync contention in get/release CASes from pools
                 Key: UIMA-3662
                 URL: https://issues.apache.org/jira/browse/UIMA-3662
             Project: UIMA
          Issue Type: Improvement
          Components: Core Java Framework
    Affects Versions: 2.5.0SDK
            Reporter: Marshall Schor
            Assignee: Marshall Schor
            Priority: Minor
             Fix For: 2.5.1SDK


In high multi-core executions, sync contention is possible when getting and returning CASes, from CasPools.  This can happen in two places: one within the UimaContext_ImplBase, and the other in the CasPool implementation.  See what can be done to reduce contention. when shared instances are accessed on multiple threads.



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