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From "Kiran Ayyagari (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAVIBOT-8) Avoid creating a sub-btree when we have only one value to store
Date Thu, 29 Aug 2013 10:14:51 GMT

     [ https://issues.apache.org/jira/browse/MAVIBOT-8?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kiran Ayyagari resolved MAVIBOT-8.
----------------------------------

    Resolution: Fixed

Added here http://svn.apache.org/r1518569
                
> Avoid creating a sub-btree when we have only one value to store
> ---------------------------------------------------------------
>
>                 Key: MAVIBOT-8
>                 URL: https://issues.apache.org/jira/browse/MAVIBOT-8
>             Project: Mavibot
>          Issue Type: Improvement
>    Affects Versions: 1.0.0-M1
>            Reporter: Emmanuel Lecharny
>            Assignee: Kiran Ayyagari
>             Fix For: 1.0.0-M2
>
>
> Currently, for BTrees that support multiple values for a key, we create a sub BTree no
matter what. This is expensive when we have only one value to store in the BTree.
> We should have a specific treatment for when we have only one value to store for a given
key, where we store the value itself instead of creating a sub-tree.
> At some point, we may also want to define a number of value we store directly in an array,
before creating a sub-btree.

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