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https://issues.apache.org/jira/browse/CASSANDRA-1472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12920852#action_12920852
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Stu Hood commented on CASSANDRA-1472:
-------------------------------------
> why does avro make sense here?
Forwards compatibility, varint encoding, one-liner compression (until we get
around to implementing something smarter), and in general, it has a very nice
Java API. Finally, I'm probably going to push to get the Avro datafile format
into our SSTables, so this was a bit of a warmup.
> 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: 0.7.0
>
> Attachments: 1472-v3.tgz, 1472-v4.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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