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https://issues.apache.org/jira/browse/METAMODEL-252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kasper Sørensen resolved METAMODEL-252.
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Resolution: Fixed
Fix Version/s: 4.5.3
> JdbcMetadataLoader creates/retrieves unneeded connections
> ---------------------------------------------------------
>
> Key: METAMODEL-252
> URL: https://issues.apache.org/jira/browse/METAMODEL-252
> Project: Apache MetaModel
> Issue Type: Bug
> Reporter: Dennis Du Krøger
> Fix For: 4.5.3
>
> Original Estimate: 3h
> Remaining Estimate: 3h
>
> MetaModel-142 introduced a performance regression in MetaModel, by creating
> or retrieving a Connection (depending on connection pool use) before checking
> if the metadata is already loaded. The Connection will be released again, but
> there is still used a significant amount of time. Especially if a Connection
> is gotten from the server, and the server is remote.
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