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From "Stu Hood (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-2576) Rewrite into new file post streaming
Date Wed, 27 Apr 2011 23:33:03 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-2576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stu Hood updated CASSANDRA-2576:
--------------------------------

    Attachment: 0002-Rebuild-into-a-new-file-to-minimize-magic.txt
                0001-Don-t-depend-on-a-byte-for-byte-match-for-SSTable-rebu.txt

Patch to use SSTableWriter during rebuilding for commutative column families.

This replaces CASSANDRA-2336 as a blocker for 674, because we don't need to version the builder,
due to reading from (versioned) iterators and using a writer which will write the most recent
version.

> Rewrite into new file post streaming
> ------------------------------------
>
>                 Key: CASSANDRA-2576
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2576
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>             Fix For: 1.0
>
>         Attachments: 0001-Don-t-depend-on-a-byte-for-byte-match-for-SSTable-rebu.txt,
0002-Rebuild-into-a-new-file-to-minimize-magic.txt
>
>
> Commutative/counter column families use a separate path to rebuild sstables post streaming,
and that path currently rewrites the data within the streamed file. While this is great for
space efficiency, it means a duplicated code path for writing sstables, which makes it more
difficult to make changes like #674.

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