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Posted to dev@hbase.apache.org by "Jean-Daniel Cryans (JIRA)" <ji...@apache.org> on 2008/09/26 21:21:46 UTC

[jira] Commented: (HBASE-905) Remove V5 migration classes from 0.19.0

    [ https://issues.apache.org/jira/browse/HBASE-905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12634976#action_12634976 ] 

Jean-Daniel Cryans commented on HBASE-905:
------------------------------------------

+1

> 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
>
>
> 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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