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https://issues.apache.org/jira/browse/CASSANDRA-674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13054287#comment-13054287
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Stu Hood commented on CASSANDRA-674:
------------------------------------
To clarify, I included the "trunk gz 6" result since it is essentially a lower
bound for block-based compression. On the other hand, there is some low hanging
fruit that could decrease the size of the 674-2319 by another 1 to 1.5 bytes
per column.
> New SSTable Format
> ------------------
>
> Key: CASSANDRA-674
> URL: https://issues.apache.org/jira/browse/CASSANDRA-674
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Stu Hood
> Fix For: 1.0
>
> Attachments: 674-v1.diff, 674-v2.tgz, 674-v3.tgz, 674-ycsb.log,
> trunk-ycsb.log
>
>
> Various tickets exist due to limitations in the SSTable file format,
> including #16, #47 and #328. Attached is a proposed design/implementation of
> a new file format for SSTables that addresses a few of these limitations.
> This v2 implementation is not ready for serious use: see comments for
> remaining issues. It is roughly the format described here:
> http://wiki.apache.org/cassandra/FileFormatDesignDoc
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