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Posted to oak-issues@jackrabbit.apache.org by "Chetan Mehrotra (JIRA)" <ji...@apache.org> on 2015/02/02 12:34:34 UTC

[jira] [Assigned] (OAK-2464) Optimize read of known non-existing children

     [ https://issues.apache.org/jira/browse/OAK-2464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chetan Mehrotra reassigned OAK-2464:
------------------------------------

    Assignee: Chetan Mehrotra

> Optimize read of known non-existing children
> --------------------------------------------
>
>                 Key: OAK-2464
>                 URL: https://issues.apache.org/jira/browse/OAK-2464
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>            Reporter: Vikas Saurabh
>            Assignee: Chetan Mehrotra
>            Priority: Minor
>         Attachments: 0001-OAK-2464-Optimize-read-of-known-non-existing-childre.patch, OAK-2464-Sort order test case.patch, OAK-2464-Take2.patch
>
>
> Reading a non-existing node always queries down to {{DocumentStore}}. {{DocumentNodeStore}} should consider {{nodeChildrenCache}} to see if it already knows about non-existence and avoid a look up into {{DocumentStore}}.



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