return cfg, err
	}

	// Check environment variables parameters
	requestsMax, err := strconv.Atoi(env.Get(EnvAPIRequestsMax, kvs.GetWithDefault(apiRequestsMax, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

	cfg.RequestsMax = requestsMax
	if requestsMax < 0 {
		return cfg, errors.New("invalid API max requests value")
	}

	for _, setDriveCount := range setDriveCounts {
		t.totalDriveCount += setDriveCount
		if setDriveCount > maxSetDrives {
			maxSetDrives = setDriveCount
		}
	}

	var apiRequestsMaxPerNode int
	if cfg.RequestsMax <= 0 {
		// Returns 75% of max memory allowed
		maxMem := availableMemory()

		// max requests per node is calculated as
		// total_ram / ram_per_request
		// ram_per_request is (2MiB+128KiB) * driveCount \