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From "Jeremy Hanna (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1472) Add bitmap secondary indexes
Date Sat, 05 Mar 2011 15:30:45 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13002982#comment-13002982
] 

Jeremy Hanna commented on CASSANDRA-1472:
-----------------------------------------

Any update on this? Seems like this really opens up possibilities for secondary indexes.

> Add bitmap secondary indexes
> ----------------------------
>
>                 Key: CASSANDRA-1472
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1472
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>             Fix For: 0.7.4
>
>         Attachments: 0.7-1472-v5.tgz, 0.7-1472-v6.tgz, 0001-CASSANDRA-1472-rebased-to-0.7-branch.txt,
0019-Rename-bugfixes-and-fileclose.txt, 1472-v3.tgz, 1472-v4.tgz, 1472-v5.tgz, anatomy.png,
v4-bench-c32.txt
>
>
> Bitmap indexes are a very efficient structure for dealing with immutable data. We can
take advantage of the fact that SSTables are immutable by attaching them directly to SSTables
as a new component (supported by CASSANDRA-1471).

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