Enum LoadBalance 

pub enum LoadBalance {
    RoundRobin(LoadBalanceRoundRobin),
    Random(LoadBalanceRandom),
    LeastConnections(LoadBalanceLeastConn),
    Weighted(LoadBalanceWeighted),
}

Load balancer enum (adapted from rpxy).

Variants

RoundRobin(LoadBalanceRoundRobin)

Each backend in turn.

Random(LoadBalanceRandom)

Uniformly at random.

LeastConnections(LoadBalanceLeastConn)

Whichever backend currently has the fewest connections.

Weighted(LoadBalanceWeighted)

In proportion to each backend’s weight.

Implementations

impl LoadBalance

pub fn from_strategy( strategy: &LoadBalanceStrategy, backends: &[Backend], ) -> Self

Build the balancer a strategy names, sized to backends.

Sticky falls back to round-robin: cookie affinity is behind the sticky-cookie feature and there is nothing to be sticky on without it.

pub fn get_ptr(&self, ctx: Option<&LoadBalanceContext>) -> PointerToUpstream

Choose the next backend, as an index into the upstream’s list.