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Sync state is the checkpoint MantrixFlow saves after a successful Incremental run. The runner extracts state before deleting temporary staging files. The platform persists that checkpoint so later Incremental runs can resume.

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When state matters

State matters when:
  • a destination uses INCREMENTAL
  • a schedule is active
  • you change the replication key
  • you are investigating missing or duplicated rows

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Operational guidance

  • Do not change replication keys casually after a pipeline is running.
  • Validate a manual run after any sync-mode or replication-key change.
  • Treat state resets as operational recovery work.
Full Table runs do not depend on checkpoint state for scheduling because they are manual-only in the current app.