Dieter De Paepe created HBASE-29498:
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Summary: Explain backup roots
Key: HBASE-29498
URL: https://issues.apache.org/jira/browse/HBASE-29498
Project: HBase
Issue Type: Sub-task
Reporter: Dieter De Paepe
The concept of backup roots is not yet explained. I'm not sure whether that's
the best user-facing name, but that's how it's called in the code. Things to
mention that I can think of:
* A backup root is the target destination of a backup, i.e. the backup_path in
"{{{}hbase backup create <type> <backup_path>".{}}}
* {{Every backup root in use (i.e. for which at least one backup exists)
causes build-up of data that is not yet backed up (in that root). So this is an
important consideration for file usage.}}
* {{Conceptually, a backup root is a collection of full and incremental
backups. It is independent of other backup roots. So it is not possible using
HBase tooling to reuse the backup work done for one root for another root.}}
* Multi-root backups are already supported, but should not be used yet until
HBASE-28706 is fixed. However, section 3.3 (depending on interpretation) and
section 14 (where it refers to HBASE-15476) mention this is not possible.
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