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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2016/07/25 09:24:20 UTC

[jira] [Resolved] (OAK-4451) Implement a proper template cache

     [ https://issues.apache.org/jira/browse/OAK-4451?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Dürig resolved OAK-4451.
--------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 1.6)

Fixed at http://svn.apache.org/viewvc?rev=1753969&view=rev

> Implement a proper template cache
> ---------------------------------
>
>                 Key: OAK-4451
>                 URL: https://issues.apache.org/jira/browse/OAK-4451
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: segment-tar
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>              Labels: cache, monitoring, production
>             Fix For: Segment Tar 0.0.8
>
>
> The template cache is currently just a map per segment. This is problematic in various ways: 
> * A segment needs to be in memory and probably loaded first only to read something from the cache. 
> * No monitoring, instrumentation of the cache
> * No control over memory consumption 
> We should there for come up with a proper template cache implementation in the same way we have done for strings ({{StringCache}}) in OAK-3007. Analogously that cache should be owned by the {{CachingSegmentReader}}. 



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