Module guard 

Epoch-fenced partition guards. Epoch-fenced partition guards for split-brain prevention.

A PartitionGuard validates that this node still owns a partition at the current epoch before processing events. The hot-path check() is a single AtomicU64::load(Acquire) — target < 10ns.

Structs

ConditionalPut

Conditional PUT parameters for object storage epoch fencing.

PartitionGuard

An epoch-fenced guard for a single partition.

PartitionGuardSet

A set of partition guards managed by a single node.

Enums

EpochError

Error returned when an epoch fence check fails.