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Posted to common-dev@hadoop.apache.org by "Jim Kellerman (JIRA)" <ji...@apache.org> on 2007/12/06 21:04:43 UTC

[jira] Commented: (HADOOP-2370) [hbase] Allow column families with an unlimited number of versions

    [ https://issues.apache.org/jira/browse/HADOOP-2370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12549163 ] 

Jim Kellerman commented on HADOOP-2370:
---------------------------------------

You can do that today. The maximum number of versions allowed in a column is Integer.MAX_VALUE
2 billion versions should be enough.

> [hbase] Allow column families with an unlimited number of versions
> ------------------------------------------------------------------
>
>                 Key: HADOOP-2370
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2370
>             Project: Hadoop
>          Issue Type: Improvement
>            Reporter: Bryan Duxbury
>            Priority: Trivial
>
> For some applications, you'll want to be able to create column families that never eliminate their old version, essentially keeping a permanent record. We should support this option when creating a table, or if it already exists, it should be documented.

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