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https://issues.apache.org/jira/browse/CAY-1680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrus Adamchik updated CAY-1680:
---------------------------------

    Summary: Get rid of shared lock - DataDomain.lookupNode  (was: 
DataDomain.lookupNode - use concurrent collection instead of synchronizing the 
HashMap)
    
> Get rid of shared lock - DataDomain.lookupNode
> ----------------------------------------------
>
>                 Key: CAY-1680
>                 URL: https://issues.apache.org/jira/browse/CAY-1680
>             Project: Cayenne
>          Issue Type: Improvement
>          Components: Core Library
>    Affects Versions: 3.1M3
>            Reporter: Andrus Adamchik
>            Assignee: Andrus Adamchik
>
> We can improve performance by using a concurrent collection for 
> DataDomain.lookupNode instead of synchronizing the HashMap.  Also instead of 
> reindexing on failed lookups, we can simply lazy-fill collection from a given 
> DataMap

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