var (
	nodeCollector           *minioNodeCollector
	clusterCollector        *minioClusterCollector
	bucketCollector         *minioBucketCollector
	peerMetricsGroups       []*MetricsGroupV2
	bucketPeerMetricsGroups []*MetricsGroupV2
)

// v2MetricsMaxBuckets enforces a bucket count limit on metrics for v2 calls.
// If people hit this limit, they should move to v3, as certain calls explode with high bucket count.