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From Tomek Rękawek (JIRA) <j...@apache.org>
Subject [jira] [Commented] (OAK-6636) Create a path cache for the CompositeNodeState
Date Fri, 08 Sep 2017 09:01:00 GMT

    [ https://issues.apache.org/jira/browse/OAK-6636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16158348#comment-16158348
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Tomek Rękawek commented on OAK-6636:
------------------------------------

Fixed for trunk in [r1807691|https://svn.apache.org/r1807691].

> Create a path cache for the CompositeNodeState
> ----------------------------------------------
>
>                 Key: OAK-6636
>                 URL: https://issues.apache.org/jira/browse/OAK-6636
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: composite
>            Reporter: Tomek Rękawek
>             Fix For: 1.8
>
>
> The only non-reference field in the CompositeNodeState is the path. Assuming we have
many node states in the memory, it may be a bit expensive to store their paths in the memory.
> On the other hand, after the recent optimizations (see linked issues), the set of the
nodes which should be wrapped with the CompositeNodeState is limited to:
> * /
> * /oak:index and its direct children
> * /jcr:system
> * /jcr:system/nt:permissionsStore
> That's why it makes sense to use a string cache to store all the paths.



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