[jira] [Created] (CASSANDRA-15402) Add filter to incremental backup

["maxwellguo (Jira)" <ji...@apache.org>]

maxwellguo created CASSANDRA-15402:
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             Summary: Add filter to incremental backup 
                 Key: CASSANDRA-15402
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15402
             Project: Cassandra
          Issue Type: Improvement
          Components: Local/Other, Tool/nodetool
            Reporter: maxwellguo
            Assignee: maxwellguo


We know that when we do backup for cassandra, we can do full bakcup with snapshot, when we need to backup incremental data , incremental_backup can do some help . 
For snapshot we can just make snapshot for some keyspace/table. but incremental backup will do all data backup(make hard link for all sstable that flush from memtable or streaming ). we also know that commitlog's replay can do some keyspace /table 's filter. 

So  I think for incremental backup we also need some filter for it.After all not all keyspace/table is so important to do backup.



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