Ted Yu commented on HBASE-14417:

Currently there is one BulkLoadHandler inside each region server which writes 
BulkLoadDescriptor periodically to hbase:backup table.
Ideally only BulkLoadDescriptor's for tables which have gone through full 
backup should be written.

Looking for a way to pass Set of such tables to region servers so that each 
server doesn't have to poll hbase:backup table periodically.

> Incremental backup and bulk loading
> -----------------------------------
>                 Key: HBASE-14417
>                 URL: https://issues.apache.org/jira/browse/HBASE-14417
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 2.0.0
>            Reporter: Vladimir Rodionov
>            Assignee: Ted Yu
>            Priority: Critical
>              Labels: backup
>             Fix For: 2.0.0
>         Attachments: 14417.v1.txt, 14417.v2.txt
> Currently, incremental backup is based on WAL files. Bulk data loading 
> bypasses WALs for obvious reasons, breaking incremental backups. The only way 
> to continue backups after bulk loading is to create new full backup of a 
> table. This may not be feasible for customers who do bulk loading regularly 
> (say, every day).
> Google doc for design:
> https://docs.google.com/document/d/1ACCLsecHDvzVSasORgqqRNrloGx4mNYIbvAU7lq5lJE

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