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• v3.42.0 9743d571ce

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  v3.42.0

  renz released this 2026-01-07 14:29:40 +00:00 | 46 commits to main since this release

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  Content-Defined Chunking Deduplication

  Like restic/borgbackup but with native database dump support.

  Features

  • Gear Hash CDC - 92%+ chunk overlap on shifted data
  • SHA-256 Content-Addressed - Automatic deduplication
  • AES-256-GCM Encryption - Optional per-chunk encryption
  • Gzip Compression - Enabled by default
  • SQLite Index - Fast chunk lookups

  Commands

  dbbackup dedup backup <file>        # Create deduplicated backup
  dbbackup dedup restore <id> <out>   # Restore from manifest
  dbbackup dedup list                 # List backups
  dbbackup dedup stats                # Show dedup ratio
  dbbackup dedup gc                   # Garbage collect
  

  Test Results

  • First 5MB backup: 448 chunks, 5MB stored
  • Modified file: only 1 NEW chunk (1.6KB), *100% deduppush github main v3.42.0

  Full Changelog: https://github.com/PlusOne/dbbackup/compare/v3.41.1...v3.42.0

  Downloads

  • Source Code (ZIP)
  • Source Code (TAR.GZ)