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https://issues.apache.org/jira/browse/CASSANDRA-1472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980046#action_12980046
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Stu Hood commented on CASSANDRA-1472:
-------------------------------------
Summary of tickets to open post commit:
* Online indexing
* Use sampling to improve bin selection and eliminate lumpy bins
* Consider/benchmark replacing memtable brute-force-filtering with an in-memory
secondary index
* Implement OrBiC projection (note that this also benefits from compression and
a block based format as provided by Avro)
* Expose index metrics via JMX
* Handle BMT gracefully
> 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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