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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15449) HBase Backup Phase 3: Support physical table layout change
Date Fri, 05 Aug 2016 01:10:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15408730#comment-15408730
] 

Ted Yu commented on HBASE-15449:
--------------------------------

The goal is to handle mismatch between current table schema and the schema recorded in backup.

Current table descriptor is obtained. If the descriptor has more column families, we use it
for restore.
If the current descriptor has fewer column families, LoadIncrementalHFiles would ignore absent
column families.

Planning to log another JIRA for enhancing LoadIncrementalHFiles.

> HBase Backup Phase 3: Support physical table layout change 
> -----------------------------------------------------------
>
>                 Key: HBASE-15449
>                 URL: https://issues.apache.org/jira/browse/HBASE-15449
>             Project: HBase
>          Issue Type: Task
>    Affects Versions: 2.0.0
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>              Labels: backup
>             Fix For: 2.0.0
>
>         Attachments: 15449.v1.txt, 15449.v2.txt
>
>
> Table operation such as add column family, delete column family, truncate , delete table
may result in subsequent backup restore failure.



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