David Zeng created CASSANDRA-12684:

             Summary: Time-based Commitlog backup
                 Key: CASSANDRA-12684
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12684
             Project: Cassandra
          Issue Type: New Feature
          Components: Configuration
            Reporter: David Zeng

Time-based Commitlog Backup feature will make Cassandra in line with other DBMS 
system on point-in-time backup and recovery capability. Currently, we are not 
able to schedule commit log backup for Cassandra. The commit log archiving 
process is triggered by size. This is difficult to communicate with the 
business what is data loss SLA in the case of using the commitlog backup for 
data recovery when the whole cluster is corrupted.

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