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From "Stefan Egli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-2464) Optimize read of known non-existing children
Date Mon, 09 Mar 2015 15:58:38 GMT

    [ https://issues.apache.org/jira/browse/OAK-2464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14353142#comment-14353142
] 

Stefan Egli commented on OAK-2464:
----------------------------------

bq. [~chetanm], Would merge it later to branch
will this make it into oak 1.0.13 ?

> 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
>             Fix For: 1.1.6
>
>         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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