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Module barrier

laminar_core::cluster::control

Module barrier

Expand description

Cross-instance barrier protocol over a gossip KV. Leader announces, followers ack, leader polls for quorum.

Structs§

BarrierAck: Follower ack. ok = false forces the leader to abort instead of wait.
BarrierAnnouncement: Leader-written barrier announcement.
BarrierCoordinator: Cross-instance barrier coordination over a ClusterKv.
InMemoryKv: In-memory KV for tests.

Enums§

Phase: Barrier phase.
QuorumOutcome: Outcome of wait_for_quorum.

Constants§

ACK_KEY: KV key for a follower’s barrier ack.
ANNOUNCEMENT_KEY: KV key for the leader’s barrier announcement.

Traits§

ClusterKv: Gossip-KV seam.