Scope the fingerprint invariant to the wired syncer and pin lease > scan timeout

2026-10-25 20:31:59 +11:00
parent 9fb44c22d6
commit df4c397db9
3 changed files with 9 additions and 3 deletions
@@ -93,5 +93,5 @@ Repodata is regenerated from the metadata rows on every request by default. Set
 `primary`/`filelists`/`other` files in memory per replica. Each request checks a
 cheap row fingerprint (count + newest id) in the database and rebuilds only when
 it moved, so every replica picks up a scan's changes on its next request. The
-fingerprint relies on only one scan writing a remote's rows at a time, which the
-sync lease guarantees across replicas.
+fingerprint relies on only one scan writing a remote's rows at a time; in the
+deployed server, the sync lease serialises scans across replicas.