)

const speedTest = "speedtest"

type speedTestOpts struct {
	objectSize       int
	concurrencyStart int
	concurrency      int
	duration         time.Duration
	autotune         bool
	storageClass     string
	bucketName       string
	enableSha256     bool
}

// Get the max throughput and iops numbers.

	if !sufficientCapacity {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, AdminError{
			Code:       "XMinioSpeedtestInsufficientCapacity",
			Message:    capacityErrMsg,
			StatusCode: http.StatusInsufficientStorage,
		}), r.URL)
		return
	}

	if autotune && !canAutotune {
		autotune = false
	}

	if customBucket == "" {