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From "angela (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (JCR-2744) Avoid element arrays in PathImpl
Date Wed, 04 May 2011 08:01:04 GMT

     [ https://issues.apache.org/jira/browse/JCR-2744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

angela updated JCR-2744:

    Fix Version/s: 2.2.0

> Avoid element arrays in PathImpl
> --------------------------------
>                 Key: JCR-2744
>                 URL: https://issues.apache.org/jira/browse/JCR-2744
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-spi, jackrabbit-spi-commons
>            Reporter: Jukka Zitting
>            Assignee: Jukka Zitting
>             Fix For: 2.2.0
>         Attachments: TransientManyChildNodesTest-2.png, TransientManyChildNodesTest.png
> The path handling code in spi-commons shows quite often in thread dumps and profiling
results, as the current implementation does quite a bit of repetitive allocating and copying
of path element arrays. We should be able to streamline and simplify the path handling code
by only tracking the latest path element and a reference to the parent path. To do this efficiently
we may need to adjust some of the Path and PathFactory method declarations (that currently
assume element array -based paths) also in the SPI.

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