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Ettore Di Giacinto
49e77447fb
Releasing a worker tunnel deleted its node_connections row, so "this worker's link dropped a moment ago" and "this worker has never connected here" were one observation: no row. Nothing above could tell a worker re-homing between replicas from a worker that is gone, and any grace period built on top would have had nothing to measure from. The row now survives a departure. Release clears owner_instance_id and stamps disconnected_at on the database clock; the membership sweep and Deregister do the same for every connection a dead or departing replica held; Claim clears the stamp in the same upsert that writes the owner, so a reconnect is never observed half-applied. PurgeDepartedBefore deletes a departure once it is older than DepartedRetention, and the membership tick owns that schedule. Owner and OwnerRow report a departed row as ErrNoConnection, through the one predicate connectionIsHeld, the way instanceIsLive is the one predicate for replica liveness. This change records the departure and does not interpret it: how long ago it happened is nobody's answer yet. The sweep only clears rows that are still held. An empty owner is in no instance's id, so without that filter every heartbeat would restamp every departed row and no departure could ever age out. Assisted-by: Claude Opus 5 [claude-code] Signed-off-by: Ettore Di Giacinto <mudler@localai.io>