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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-10950) Add a configuration point for MaxVersion of Column Family
Date Tue, 22 Apr 2014 17:56:15 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-10950:
---------------------------

    Attachment: 10950-v4.txt

Patch v4 adds config param to hbase-default.xml

> Add  a configuration point for MaxVersion of Column Family
> ----------------------------------------------------------
>
>                 Key: HBASE-10950
>                 URL: https://issues.apache.org/jira/browse/HBASE-10950
>             Project: HBase
>          Issue Type: Improvement
>          Components: Admin
>    Affects Versions: 0.98.0, 0.96.0
>            Reporter: Demai Ni
>            Assignee: Enoch Hsu
>             Fix For: 0.99.0, 0.98.2, 0.96.3
>
>         Attachments: 10950-v4.txt, HBASE_10950.patch, HBASE_10950_v2.patch, HBASE_10950_v3.patch
>
>
> Starting on 0.96.0.  HColumnDescriptor.DEFAULT_VERSIONS change to 1 from 3. So a columnfamily
will be default have 1 version of data. Currently a user can specifiy the maxVersion during
create table time or alter the columnfam later. This feature will add a configuration point
in hbase-sit.xml so that an admin can set the default globally. 
> a small discussion in [HBASE-10941|https://issues.apache.org/jira/browse/HBASE-10941]
lead to this jira



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