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From "Jukka Zitting (JIRA)" <j...@apache.org>
Subject [jira] Updated: (JCR-1988) AbstractRecord does inefficient List.indexOf()
Date Sun, 10 Oct 2010 14:43:31 GMT

     [ https://issues.apache.org/jira/browse/JCR-1988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jukka Zitting updated JCR-1988:
-------------------------------

    Comment: was deleted

(was: [flights|http://getflightsto.com]
[baby names|http://childcareforums.com]
)

> AbstractRecord does inefficient List.indexOf()
> ----------------------------------------------
>
>                 Key: JCR-1988
>                 URL: https://issues.apache.org/jira/browse/JCR-1988
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core
>            Reporter: Marcel Reutegger
>            Priority: Minor
>             Fix For: core 1.4.10, 1.6.0
>
>         Attachments: JCR-1988.patch
>
>
> AbstractRecord keeps a list of already used UUIDs and references
> them by index when used again in a record. Using a List does not
> scale well, when the record grows larger. e.g. a transaction of
> 10k nodes takes more than a minute on my machine when the journal
> is enabled. Most of the time is spent doing List.indexOf() in
> AbstractRecord.getOrCreateIndex().

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