100000,
		"Sets the maximum number of concurrent grpc streams.",
	).Get()

	// MaxRecvMsgSize The max receive buffer size of gRPC received channel of Pilot in bytes.
	MaxRecvMsgSize = env.Register(
		"ISTIO_GPRC_MAXRECVMSGSIZE",
		4*1024*1024,
		"Sets the max receive buffer size of gRPC stream in bytes.",
	).Get()

	PushThrottle = func() int {
		v := env.Register(
			"PILOT_PUSH_THROTTLE",
			0,