memSharedMD    = NewGaugeMD(memShared, "Shared memory on the node")
	memAvailableMD = NewGaugeMD(memAvailable, "Available memory on the node")
)

// loadMemoryMetrics - `MetricsLoaderFn` for node memory metrics.
func loadMemoryMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
	memMetrics, err := c.memoryMetrics.Get()
	if err != nil {
		metricsLogIf(ctx, err)
		return err
	}

		return
	}

	return cachevalue.NewFromFunc(1*time.Minute,
		cachevalue.Opts{ReturnLastGood: true},
		loadCPUMetrics)
}

func newMemoryMetricsCache() *cachevalue.Cache[madmin.MemInfo] {
	loadMemoryMetrics := func(ctx context.Context) (v madmin.MemInfo, err error) {
		types := madmin.MetricsMem

		m := collectLocalMetrics(types, collectMetricsOpts{
			hosts: map[string]struct{}{
				globalLocalNodeName: {},
			},