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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (CASSANDRA-5722) Cleanup should skip sstables that don't contain data outside a nodes ranges
Date Wed, 03 Jul 2013 18:02:21 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-5722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis reassigned CASSANDRA-5722:
-----------------------------------------

    Assignee: Tyler Hobbs
    
> Cleanup should skip sstables that don't contain data outside a nodes ranges
> ---------------------------------------------------------------------------
>
>                 Key: CASSANDRA-5722
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5722
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Nick Bailey
>            Assignee: Tyler Hobbs
>             Fix For: 2.0.1
>
>
> Right now cleanup is optimized to simply delete sstables that *only* contain data that
doesn't belong on the node, for all other sstables though, it will read them, check each row,
and write out new sstables.
> Cleanup could be optimized to look at an sstable and determine that all data within the
sstable does belong on a node, and therefore skip re-writing that sstable. This would make
cleanup essentially a noop in the case where all data on a node belongs on that node.

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