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From "Stu Hood (JIRA)" <>
Subject [jira] Updated: (CASSANDRA-749) Secondary indices for column families
Date Thu, 04 Mar 2010 22:53:27 GMT


Stu Hood updated CASSANDRA-749:

    Attachment: views-discussion.txt

More thoughts on incrementally updated views:

In order to not add reads to Cassandra's write path, we could implement a modification to
mapreduce that splits the Map function into a map-key function and a map-value. I'm attaching
a conversation about a potential approach, but it doesn't really get into implementation details
or what the API for the map-key and map-value functions would look like.

> Secondary indices for column families
> -------------------------------------
>                 Key: CASSANDRA-749
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Gary Dusbabek
>            Assignee: Gary Dusbabek
>            Priority: Minor
>             Fix For: 0.8
>         Attachments: 0001-simple-secondary-indices.patch, views-discussion.txt

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