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Posted to issues@hbase.apache.org by "Doug Meil (JIRA)" <ji...@apache.org> on 2011/04/05 17:02:06 UTC

[jira] [Updated] (HBASE-3735) Book.xml - adding section on Schema Design on versions

     [ https://issues.apache.org/jira/browse/HBASE-3735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Doug Meil updated HBASE-3735:
-----------------------------

    Status: Patch Available  (was: Open)

> Book.xml - adding section on Schema Design on versions
> ------------------------------------------------------
>
>                 Key: HBASE-3735
>                 URL: https://issues.apache.org/jira/browse/HBASE-3735
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Doug Meil
>            Assignee: Doug Meil
>            Priority: Minor
>         Attachments: book.xml.patch
>
>
> Added section under Schema Design for "Number of Versions"
> The fact that HBase doesn't overwrite values (but versions them by time) is one of those "obvious but not so obvious" topics, and it recently came up on the dist-list.  Added small description of why this is important to consider for schema design, link to HColumnDescriptor javadoc, with internal link to Data Model section.

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