globalConnStats = newConnStats()

	// Global HTTP request statistics
	globalHTTPStats = newHTTPStats()

	// Global bucket network and API statistics
	globalBucketConnStats = newBucketConnStats()
	globalBucketHTTPStats = newBucketHTTPStats()

	// Time when the server is started
	globalBootTime = UTCNow()

	globalActiveCred         auth.Credentials
	globalNodeAuthToken      string

		totalS34xxErrors:  &HTTPAPIStats{},
		totalS35xxErrors:  &HTTPAPIStats{},
	}
}

type bucketConnStats struct {
	sync.RWMutex
	stats map[string]*bucketS3RXTX
}

func newBucketConnStats() *bucketConnStats {
	return &bucketConnStats{
		stats: make(map[string]*bucketS3RXTX),
	}
}

// Increase S3 total input bytes for input bucket