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https://issues.apache.org/jira/browse/OPENJPA-2220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13401701#comment-13401701
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Rick Curtis commented on OPENJPA-2220:
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We should also exclude version and primary key fields as I could see where
those fields aren't used directly by application code, but they are still
important to the runtime.
> Persistent field fetching statistic tool
> ----------------------------------------
>
> Key: OPENJPA-2220
> URL: https://issues.apache.org/jira/browse/OPENJPA-2220
> Project: OpenJPA
> Issue Type: Task
> Components: performance
> Affects Versions: 2.3.0
> Reporter: Helen Xu
> Assignee: Helen Xu
> Attachments: OPENJPA-2220Patch.txt, statisticToolDocPatch.txt
>
>
> This task is to create a statistic tool which monitors the persistent fields
> fetching and finds out the fields which are never accessed. Based on the
> statistic data, user can set the field access type to LAZY to improve the
> performance by eliminating the data loading and processing time.
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