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https://issues.apache.org/jira/browse/HBASE-29798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18113115#comment-18113115
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mazhengxuan commented on HBASE-29798:
-------------------------------------
The patch removes the region scan and `.regioninfo` writes, keeps table
descriptors, and skips legacy region info files during merges. The incremental
restore and merge tests pass.
> Incremental Backups Superfluously Write Region Info
> ---------------------------------------------------
>
> Key: HBASE-29798
> URL: https://issues.apache.org/jira/browse/HBASE-29798
> Project: HBase
> Issue Type: Bug
> Components: backup&restore
> Reporter: Hernan Romer
> Priority: Major
> Labels: pull-request-available
>
> Incremental backups will copy the table region information to the backup
> destination. This can actually take hours to do, and the region information
> doesn't seem to be used anywhere in the restore process.
> We can greatly speed up the backup process by simply removing this.
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