//    + 2 * 1MiB (default erasure block size v2)
			apiRequestsMaxPerNode = int(maxMem / uint64(maxSetDrives*blockSize+int(blockSizeV2*2)))
		}
	} else {
		apiRequestsMaxPerNode = cfg.RequestsMax
		if n := totalNodeCount(); n > 0 {
			apiRequestsMaxPerNode /= n
		}
	}

	if globalIsDistErasure {
		logger.Info("Configured max API requests per node based on available memory: %d", apiRequestsMaxPerNode)
	}

	} else {
		// Reinitialize safely when testing.
		globalBucketMetadataSys.Reset()
	}

	// Create the bucket bandwidth monitor
	globalBucketMonitor = bandwidth.NewMonitor(ctx, uint64(totalNodeCount()))

	// Create a new config system.
	globalConfigSys = NewConfigSys()

	// Create new IAM system.
	globalIAMSys = NewIAMSys()

	// Create new policy system.
	globalPolicySys = NewPolicySys()

	go func() {
		defer xioutil.SafeClose(resultCh)

		ci := madmin.ClusterRegistrationInfo{}
		ci.Info.NoOfServerPools = len(globalEndpoints)
		ci.Info.NoOfServers = totalNodeCount()
		ci.Info.MinioVersion = Version

		si := objectAPI.StorageInfo(ctx, false)

		ci.Info.NoOfDrives = len(si.Disks)
		for _, disk := range si.Disks {
			ci.Info.TotalDriveSpace += disk.TotalSpace