balancer

Documentation

Index

• Constants
• type TabletBalancer
  • func NewTabletBalancer(localCell string, vtGateCells []string) TabletBalancer

Constants

const ALLOCATION = 1000000

To stick with integer arithmetic, use 1,000,000 as the full load

Types

type TabletBalancer

type TabletBalancer interface {
	// Pick is the main entry point to the balancer. Returns the best tablet out of the list
	// for a given query to maintain the desired balanced allocation over multiple executions.
	Pick(target *querypb.Target, tablets []*discovery.TabletHealth) *discovery.TabletHealth

	// DebugHandler provides a summary of tablet balancer state
	DebugHandler(w http.ResponseWriter, r *http.Request)
}

func NewTabletBalancer

func NewTabletBalancer(localCell string, vtGateCells []string) TabletBalancer