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https://issues.apache.org/jira/browse/CASSANDRA-389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12747472#action_12747472
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Jonathan Ellis commented on CASSANDRA-389:
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note that it's important to make versions alphabetic (not numeric or
alphanumeric) b/c generation is already numeric, so keeping those in separate
vocabularies will help catch potential errors
> SSTable Versioning
> ------------------
>
> Key: CASSANDRA-389
> URL: https://issues.apache.org/jira/browse/CASSANDRA-389
> Project: Cassandra
> Issue Type: Improvement
> Affects Versions: 0.4
> Reporter: Chris Goffinet
> Assignee: Stu Hood
> Priority: Minor
> Fix For: 0.4
>
>
> As we continue to make changes to the on-disk format of SSTables, I propose
> we start versioning. The easiest way without breaking backwards compatibility
> is to store the version in the filename. This would allow us to figure out
> the version without looking at the SSTable data. After speaking to Jonathan
> here is the proposed example:
> <CF>-<ID>-<DATA|INDEX|FILTER>-<VERSION>
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