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https://issues.apache.org/jira/browse/CASSANDRA-1472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12982314#action_12982314
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T Jake Luciani commented on CASSANDRA-1472:
-------------------------------------------

I'd be more inclined todo this if it was trunk, but I don't want this to go 
into 0.7 branch with all these unfinished tasks.  If we did, this would end up 
a blocker. 

I'm happy to help change the serializers and complete the other major task 
(online indexing) starting next week.

What do you think?


> 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: 0.7.1
>
>         Attachments: 0.7-1472-v5.tgz, 0.7-1472-v6.tgz, 
> 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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