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Posted to commits@cassandra.apache.org by "Sylvain Lebresne (JIRA)" <ji...@apache.org> on 2011/09/07 17:44:11 UTC

[jira] [Updated] (CASSANDRA-3148) Use TreeMap backed column families for the SSTable simple writers

     [ https://issues.apache.org/jira/browse/CASSANDRA-3148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sylvain Lebresne updated CASSANDRA-3148:
----------------------------------------

    Attachment: 0001-Use-TreeMap-for-SSTable-simple-writers-CFs.patch

Patch add TreeMapBackedSortedColumns and use that for the SSTable simple writers.

> Use TreeMap backed column families for the SSTable simple writers
> -----------------------------------------------------------------
>
>                 Key: CASSANDRA-3148
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3148
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.0
>            Reporter: Sylvain Lebresne
>            Assignee: Sylvain Lebresne
>            Priority: Trivial
>             Fix For: 1.0
>
>         Attachments: 0001-Use-TreeMap-for-SSTable-simple-writers-CFs.patch
>
>
> SSTable*SimpleWriter classes are not intended to be used concurrently (and indeed they are not thread safe), so there is no point in using CLSM backed column families.

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