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