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logical-journaling · shipping

Logical journaling

Logical journaling records recoverable changes to logical objects or operations rather than simply reproducing their on-disk representation.

Linux's XFS design uses logical records for in-core inode and quota changes alongside physical buffer logging and intents; the categories can coexist. [1] A compact record does not by itself establish lower device traffic or correct interrupted recovery. [2]

Relations

related
physical-journaling, ext4-fast-commit, journal-checkpoint, write-ahead-log

Citations

  1. Linux v6.12: XFS Logging Design, introduction (accessed 2026-10-15)
  2. Hesela: journal representations and FastCommit cost audit (accessed 2026-10-15)

JSON: /data/terms/logical-journaling.json