What is Backup and Restore in RocksDB?

RocksDB includes built-in utilities for backing up a database's data to a separate location and later restoring it, without needing to write this logic from scratch.

• Backups can be taken incrementally, reusing unchanged SSTable files rather than copying the entire database every time
• Because SSTables are immutable, unchanged files can safely be shared between successive backups instead of being duplicated
• Restoring reconstructs a working database directory from a chosen backup, ready to be reopened

This built-in support saves application developers from having to reimplement careful, consistent backup logic themselves on top of RocksDB's file-based storage.

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