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Fair catch-up

Shipped
alias catch_up

Boosts under-assigned recipients to repay fairness debt over a window.

Example

How Fair catch-up decides — the pool is evaluated and the winner is assigned. Each strategy selects differently.

type == "lead"selectedTriggerNew LeadWebhookScoreFair catch-upStrategyae-westscore 96ae-eastscore 81centralscore 73Assigned
▸ Show the code
// Fair catch-up selects from the pool and assigns.
engine.Route(ductor.Route{
    Match:    `routable.type == "lead"`,
    Strategy: "fair_catchup",
    Pool:     "sales-team",
})
 
// Durable, observable, exactly-once.
decision, err := engine.Dispatch(ctx, routable)

How it works

Fair distribution with catch-up compensation: recipients that missed earlier assignments are boosted until their share evens out across the window. Keeps long-run distribution fair even after outages.

WeightedStateful