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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-905) Remove V5 migration classes from 0.19.0
Date Fri, 26 Sep 2008 20:15:44 GMT

     [ https://issues.apache.org/jira/browse/HBASE-905?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Daniel Cryans updated HBASE-905:
-------------------------------------

    Attachment: hbase-905-v1.patch

Does exactly what Jim described. Please review.

> Remove V5 migration classes from 0.19.0
> ---------------------------------------
>
>                 Key: HBASE-905
>                 URL: https://issues.apache.org/jira/browse/HBASE-905
>             Project: Hadoop HBase
>          Issue Type: Task
>          Components: util
>            Reporter: Jim Kellerman
>            Assignee: Jim Kellerman
>             Fix For: 0.19.0
>
>         Attachments: hbase-905-v1.patch
>
>
> The V5 migration package was needed to migrate from hbase-0.1.x to hbase-0.2.x (and also
can migrate from 0.1 to 0.18.x)
> As migration is very complex, if a migration is needed to 0.19 or a future release, removing
these classes and modifying the migration too to not require them will simplify future migrations.
> A note will be placed on the Wiki notifying users that if they need to migrate from 0.1
to 0.19 (or greater), they must first install 0.2.x or 0.18.x, run the migration, and then
install the new version to migrate to it.

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