[jira] Commented: (JCR-688) Improve name resolution

["angela (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JCR-688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12535493 ] 

angela commented on JCR-688:
----------------------------

i guess, this issue will be covered by  issue JCR-1169 Distribution of commons classes.

The proposed distribution replaces the *Format classes by  the *Resolver interfaces. Both
interfaces and jukkas implementations are copied to the spi-commons. The Parsing*Resolver got adjusted according to tobis feedback.

> Improve name resolution
> -----------------------
>
>                 Key: JCR-688
>                 URL: https://issues.apache.org/jira/browse/JCR-688
>             Project: Jackrabbit
>          Issue Type: Improvement
>          Components: jackrabbit-core
>            Reporter: Jukka Zitting
>            Assignee: Jukka Zitting
>            Priority: Minor
>         Attachments: JCR-688.LocalCache.patch, JCR-688.NameResolver.patch, JCR-688.NameResolver.v2.patch
>
>
> As discussed in JCR-685, the current CachingNamespaceResolver class contains excessive synchronization causing monitor contention that reduces performance.
> In JCR-685 there's a proposed patch that replaces synchronization with a read-write lock that would allow concurrent read access to the name cache.

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