[jira] Closed: (OPENJPA-1172) Use java.util.concurrent.ConcurrentHashMap rather than a synchronized HashMap in ClassMapping.

["Rick Curtis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OPENJPA-1172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rick Curtis closed OPENJPA-1172.
--------------------------------


Changes committed to 1.2.x, 1.3.x, and trunk.

> Use java.util.concurrent.ConcurrentHashMap rather than a synchronized HashMap in ClassMapping.
> ----------------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-1172
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1172
>             Project: OpenJPA
>          Issue Type: Improvement
>          Components: performance
>            Reporter: Rick Curtis
>            Assignee: Rick Curtis
>            Priority: Minor
>             Fix For: 1.2.2, 1.3.0, 2.0.0-M4
>
>         Attachments: OPENJPA-1172.patch
>
>
> A performance run shows improved scalability when using the java.util.concurrent.ConcurrentHashMap in org.apache.openjpa.jdbc.meta.ClassMapping.
> This issue is a child of OPENJPA-1118.

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