}

	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 \
		//    + 2 * 10MiB (default erasure block size v1) + 2 * 1MiB (default erasure block size v2)
		blockSize := xioutil.LargeBlock + xioutil.SmallBlock

	// Etag and ModTime of an object + version
	Endpoint string `json:"endpoint"`

	// BlockSize indicates the maximum object size below which
	// data is cached and fetched remotely from DRAM.
	BlockSize int64

	// Is the HTTP client used for communicating with mcache server
	clnt *http.Client
}

var configLock sync.RWMutex

// Enabled - indicates if cache is enabled or not

}

var (
	// https://github.com/golang/lint/blob/master/lint.go#L770
	commonInitialisms         = []string{"API", "ASCII", "CPU", "CSS", "DNS", "EOF", "GUID", "HTML", "HTTP", "HTTPS", "ID", "IP", "JSON", "LHS", "QPS", "RAM", "RHS", "RPC", "SLA", "SMTP", "SSH", "TLS", "TTL", "UID", "UI", "UUID", "URI", "URL", "UTF8", "VM", "XML", "XSRF", "XSS"}
	commonInitialismsReplacer *strings.Replacer
)

func init() {

	// TLDR..
	// Not used anymore xl.meta captures the right blockSize
	// so blockSizeV2 should be used for all future purposes.
	// this value is kept here to calculate the max API
	// requests based on RAM size for existing content.
	blockSizeV1 = 10 * humanize.MiByte

	// Block size used in erasure coding version 2.
	blockSizeV2 = 1 * humanize.MiByte

	// Buckets meta prefix.
	bucketMetaPrefix = "buckets"