Dieter De Paepe created HBASE-28833:
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Summary: BackupLogCleaner unsafe for multi-root backups
Key: HBASE-28833
URL: https://issues.apache.org/jira/browse/HBASE-28833
Project: HBase
Issue Type: Bug
Components: backup&restore
Reporter: Dieter De Paepe
The BackupLogCleaner is responsible for keeping WALs around that are not yet
backed-up.
However, it does not keep track of multi-root backups. I.e. if there are 2
backups roots R1 and R2, where R1 was backed up 1 week ago, and R2 today, the
WALS needed for R1 could be deleted (= data loss in the R1 backups).
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