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https://issues.apache.org/jira/browse/CAY-1680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13219886#comment-13219886
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Andrus Adamchik commented on CAY-1680:
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also using async access to DataDomain.nodes map
> 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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