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From "Gary Dusbabek (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1472) Add bitmap secondary indexes
Date Fri, 14 Jan 2011 13:48:46 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12981758#action_12981758
] 

Gary Dusbabek commented on CASSANDRA-1472:
------------------------------------------

bq. We can re-implement a file format identical to the specification...
That's not so different than rolling our own serialization.  At that point, we've gained nothing
but interop (how much of a goal is that? If it is, it needs to be stated) by using avro structures
and serialization.

> 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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