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Posted to oak-issues@jackrabbit.apache.org by "Joel Richard (JIRA)" <ji...@apache.org> on 2015/03/31 10:12:53 UTC
[jira] [Updated] (OAK-2707) Performance:
SessionImpl#getNamespacePrefixes should be cached
[ https://issues.apache.org/jira/browse/OAK-2707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joel Richard updated OAK-2707:
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Attachment: Screen Shot 2015-03-30 at 08.38.58.png
> Performance: SessionImpl#getNamespacePrefixes should be cached
> --------------------------------------------------------------
>
> Key: OAK-2707
> URL: https://issues.apache.org/jira/browse/OAK-2707
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: oak-jcr
> Affects Versions: 1.1.7
> Reporter: Joel Richard
> Priority: Critical
> Labels: performance
> Attachments: Screen Shot 2015-03-30 at 08.38.58.png
>
>
> Sesison#getNamespacePrefixes is heavily used in Sling (see org.apache.sling.jcr.resource.JcrPropertyMap#escapeKeyName) and can easily be called 5000-8000 times per page load.
> Therefore, it adds 10-15% page rendering overhead for Sling-based websites. Would it be possible to add either a global cache or at least a session cache for this method?
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