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From "Stu Hood (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-749) Secondary indices for column families
Date Wed, 03 Feb 2010 20:25:28 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12829236#action_12829236
] 

Stu Hood commented on CASSANDRA-749:
------------------------------------

> I'm not sure why that would be useful.
A distributed secondary index would allow you to query one machine to figure out what other
machines have columns matching a predicate, as opposed to a local secondary index where you
immediately query every machine to figure out whether a predicate matches.

> Secondary indices for column families
> -------------------------------------
>
>                 Key: CASSANDRA-749
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-749
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Gary Dusbabek
>            Assignee: Gary Dusbabek
>            Priority: Minor
>             Fix For: 0.6
>
>         Attachments: 0001-simple-secondary-indices.patch
>
>


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