// Subsequent reads will reuse this buffer.
				p.buf[bufIdx] = make([]byte, p.shardSize)
			}
			// For the last shard, the shardsize might be less than previous shard sizes.
			// Hence the following statement ensures that the buffer size is reset to the right size.
			p.buf[bufIdx] = p.buf[bufIdx][:p.shardSize]
			n, err := rr.ReadAt(p.buf[bufIdx], p.offset)
			if err != nil {
				switch {

	apiRequestsIncomingTotalMD = NewGaugeMD(apiRequestsIncomingTotal,
		"Total number of incoming requests", "type")

	apiRequestsInFlightTotalMD = NewGaugeMD(apiRequestsInFlightTotal,
		"Total number of requests currently in flight", "name", "type")
	apiRequestsTotalMD = NewCounterMD(apiRequestsTotal,
		"Total number of requests", "name", "type")
	apiRequestsErrorsTotalMD = NewCounterMD(apiRequestsErrorsTotal,

	mlock sync.RWMutex // mutex for bucket measurement

	bucketsThrottle    map[BucketOptions]*bucketThrottle
	bucketsMeasurement map[BucketOptions]*bucketMeasurement // Buckets with objects in flight

	bucketMovingAvgTicker *time.Ticker    // Ticker for calculating moving averages
	ctx                   context.Context // Context for generate
	NodeCount             uint64
}

		Usage:  "custom TCP_USER_TIMEOUT for socket buffers",
		Hidden: true,
		Value:  10 * time.Minute,
		EnvVar: "MINIO_CONN_USER_TIMEOUT",
	},
	cli.StringFlag{
		Name:   "interface",
		Usage:  "bind to right VRF device for MinIO services",
		Hidden: true,
		EnvVar: "MINIO_INTERFACE",
	},
	cli.DurationFlag{
		Name:   "dns-cache-ttl",
		Usage:  "custom DNS cache TTL",
		Hidden: true,

		return err
	}

	update, err := meta.validate(z.serverPools)
	if err != nil {
		return err
	}

	// if no update is needed return right away.
	if !update {
		z.poolMetaMutex.Lock()
		z.poolMeta = meta
		z.poolMetaMutex.Unlock()
	} else {
		newMeta := newPoolMeta(z, meta)
		if err = newMeta.save(ctx, z.serverPools); err != nil {

		appendHyphen = true
	}
	if p.sealMD5Fn != nil {
		md5sumCurr = p.sealMD5Fn(md5sumCurr)
	}
	if appendHyphen {
		// Make sure to return etag string upto 32 length, for SSE
		// requests ETag might be longer and the code decrypting the
		// ETag ignores ETag in multipart ETag form i.e <hex>-N
		return hex.EncodeToString(md5sumCurr)[:32] + "-1"
	}
	return hex.EncodeToString(md5sumCurr)
}