Method dispatch

nodedb-cluster/tests/common/rebalancer.rs:69–73

(&self, mv: PlannedMove)

#[async_trait]
impl MigrationDispatcher for RecordingDispatcher {
    async fn dispatch(&self, mv: PlannedMove) -> Result<()> {
        self.calls.lock().unwrap().push(mv);
        self.any_call.store(true, Ordering::SeqCst);
        Ok(())
    }
}

pub fn lm(id: u64, v: u32, bytes_mib: u64, w: f64, r: f64) -> LoadMetrics {