Pattern 62 / COORD
Use this when Granting temporary ownership without permanent locks.
Lease fits when Granting temporary ownership without permanent locks. Mechanism: Issue ownership for a bounded duration that must be renewed to remain valid. Use it for Leader election, cache ownership, worker assignment. The toll: Clock skew and renewal pauses can cause overlapping owners.
Leader election, cache ownership, worker assignment.
Use lease when leader election, cache ownership, worker assignment..
Describe the pressure first, then the mechanism, then the cost. That keeps the design grounded.
Same pressure family