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 Fri, 28 Aug 2009 12:22:32 -0700 (PDT)
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Date: Fri, 28 Aug 2009 12:22:32 -0700 (PDT)
From: "Stu Hood (JIRA)" <jira@apache.org>
To: cassandra-commits@incubator.apache.org
Subject: [jira] Updated: (CASSANDRA-389) SSTable Versioning
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     [ https://issues.apache.org/jira/browse/CASSANDRA-389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stu Hood updated CASSANDRA-389:
-------------------------------

    Attachment: 389-v4.patch

I may not get another chance to work on this one for a few days, so I wanted to attach the latest version of the patch.

BootstrapTest is still broken with this version, because it assumes a lot about filenames, and uses string concatenation to identify what it is transferring. Ideally, it could use SSTable descriptors.

> 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
>
>         Attachments: 389-v3.patch, 389-v4.patch, CASSANDRA-389.diff, CASSANDRA-389.diff
>
>
> 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>-<VERSION>-<DATA|INDEX|FILTER>

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