return
			}
		case "Cache":
			var zb0002 uint32
			zb0002, err = dc.ReadMapHeader()
			if err != nil {
				err = msgp.WrapError(err, "Cache")
				return
			}
			if z.Cache == nil {
				z.Cache = make(map[string]dataUsageEntry, zb0002)
			} else if len(z.Cache) > 0 {
				for key := range z.Cache {
					delete(z.Cache, key)
				}
			}
			for zb0002 > 0 {
				zb0002--

package cmd

import (
	"context"
)

const (
	memTotal     = "total"
	memUsed      = "used"
	memFree      = "free"
	memBuffers   = "buffers"
	memCache     = "cache"
	memUsedPerc  = "used_perc"
	memShared    = "shared"
	memAvailable = "available"
)

var (
	memTotalMD     = NewGaugeMD(memTotal, "Total memory on the node")

		t.Fatalf("deserialize LastUpdate mismatch\nwant: %+v\ngot:  %+v", want, got)
	}
	if len(want.Cache) != len(got.Cache) {
		t.Errorf("deserialize mismatch length\nwant: %+v\ngot:  %+v", len(want.Cache), len(got.Cache))
	}
	for wkey, wval := range want.Cache {
		gotv := got.Cache[wkey]
		if !equalAsJSON(gotv, wval) {
			t.Errorf("deserialize mismatch, key %v\nwant: %#v\ngot:  %#v", wkey, wval, gotv)
		}

	globalSubnetConfig subnet.Config

	// The global callhome config
	globalCallhomeConfig callhome.Config

	// The global drive config
	globalDriveConfig drive.Config

	// The global cache config
	globalCacheConfig cache.Config

	// Global server's network statistics
	globalConnStats = newConnStats()

	// Global HTTP request statistics
	globalHTTPStats = newHTTPStats()

		}
		log.Warnf("got an event for pod %s in namespace %s not found in current pod cache, retry %d of %d",
			addCmd.PodName, addCmd.PodNamespace, retries, maxStaleRetries)
		time.Sleep(time.Duration(msInterval) * time.Millisecond)
	}

	if ambientPod == nil {
		return fmt.Errorf("got event for pod %s in namespace %s but could not find in pod cache after retries", addCmd.PodName, addCmd.PodNamespace)
	}

	"os"
	"syscall"

	"github.com/ncw/directio"
	"golang.org/x/sys/unix"
)

// ODirectPlatform indicates if the platform supports O_DIRECT
const ODirectPlatform = true

// OpenFileDirectIO - bypass kernel cache.
func OpenFileDirectIO(filePath string, flag int, perm os.FileMode) (*os.File, error) {
	return directio.OpenFile(filePath, flag, perm)
}

// DisableDirectIO - disables directio mode.

	d.disk.SetDiskID(id)
}

func (d *naughtyDisk) NSScanner(ctx context.Context, cache dataUsageCache, updates chan<- dataUsageEntry, scanMode madmin.HealScanMode, weSleep func() bool) (info dataUsageCache, err error) {
	if err := d.calcError(); err != nil {
		return info, err
	}
	return d.disk.NSScanner(ctx, cache, updates, scanMode, weSleep)
}

					// We did not satisfy any requirement from the cache, update the cache.
					// this basically means that we do not have the Data for the object
					// cached yet
					update = true
				})
				if !update {
					// No update is needed means we have written already to the client just return here.
					return
				}
			}
		}

		if errors.Is(err, cache.ErrKeyMissing) {
			update = true
		}
	}

	apiLatencies [storageMetricLast]*lockedLastMinuteLatency
	diskID       atomic.Pointer[string]
	storage      *xlStorage
	health       *diskHealthTracker
	healthCheck  bool

	metricsCache *cachevalue.Cache[DiskMetrics]
	diskCtx      context.Context
	diskCancel   context.CancelFunc
}

func (p *xlStorageDiskIDCheck) getMetrics() DiskMetrics {
	p.metricsCache.InitOnce(5*time.Second,
		cachevalue.Opts{},

	// is too large we are basically just thrashing the CPU D-cache.
	// So if the result length is larger than an empirically-found
	// limit (8KB), we stop growing the source string once the limit
	// is reached and keep reusing the same source string - that
	// should therefore be always resident in the L1 cache - until we
	// have completed the construction of the result.