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From "Nick Bailey (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1472) Add bitmap secondary indexes
Date Tue, 26 Oct 2010 21:31:20 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925146#action_12925146
] 

Nick Bailey commented on CASSANDRA-1472:
----------------------------------------

Just briefly looking at this, one good thing to include would be some jmx metrics along with
the bitmap index. One of the nice things of the cf implementation is those come for free.
 Probably would go in another ticket though.

> 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
>             Fix For: 0.7.1
>
>         Attachments: 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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