func (sys *BucketQuotaSys) Init(objAPI ObjectLayer) {
	bucketStorageCache.InitOnce(10*time.Second,
		cachevalue.Opts{ReturnLastGood: true, NoWait: true},
		func(ctx context.Context) (DataUsageInfo, error) {
			if objAPI == nil {
				return DataUsageInfo{}, errServerNotInitialized
			}
			ctx, done := context.WithTimeout(ctx, 2*time.Second)
			defer done()

			return loadDataUsageFromBackend(ctx, objAPI)
		},
	)
}

			*dest = append(*dest, mapValue)
		}
	case *int, *int8, *int16, *int32, *int64,
		*uint, *uint8, *uint16, *uint32, *uint64, *uintptr,
		*float32, *float64,
		*bool, *string, *time.Time,
		*sql.NullInt32, *sql.NullInt64, *sql.NullFloat64,
		*sql.NullBool, *sql.NullString, *sql.NullTime:
		for initialized || rows.Next() {
			initialized = false
			db.RowsAffected++
			db.AddError(rows.Scan(dest))

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"context"
	"errors"
	"maps"
	"runtime/debug"
	"sort"
	"sync"
	"time"

	"github.com/minio/minio/internal/logger"
	"github.com/minio/pkg/v3/console"
)

// a bucketMetacache keeps track of all caches generated
// for a bucket.
type bucketMetacache struct {
	// Name of bucket

	// so keep them here to support existing deployments.
	EnvCompressEnableLegacy          = "MINIO_COMPRESS_ENABLE"
	EnvCompressAllowEncryptionLegacy = "MINIO_COMPRESS_ALLOW_ENCRYPTION"
	EnvCompressExtensionsLegacy      = "MINIO_COMPRESS_EXTENSIONS"
	EnvCompressMimeTypesLegacy2      = "MINIO_COMPRESS_MIME_TYPES"
)

	// Header indiicates last tag update time on source
	MinIOSourceTaggingTimestamp = "X-Minio-Source-Replication-Tagging-Timestamp"
	// Header indiicates last rtention update time on source
	MinIOSourceObjectRetentionTimestamp = "X-Minio-Source-Replication-Retention-Timestamp"
	// Header indiicates last rtention update time on source

# History, Design and Future { #history-design-and-future }

Some time ago, <a href="https://github.com/fastapi/fastapi/issues/3#issuecomment-454956920" class="external-link" target="_blank">a **FastAPI** user asked</a>:

> What’s the history of this project? It seems to have come from nowhere to awesome in a few weeks [...]

Here's a little bit of that history.

## Alternatives { #alternatives }

	TotalFreeCapacity uint64 `json:"freeCapacity,omitempty"`

	// LastUpdate is the timestamp of when the data usage info was last updated.
	// This does not indicate a full scan.
	LastUpdate time.Time `json:"lastUpdate"`

	// Objects total count across all buckets
	ObjectsTotalCount uint64 `json:"objectsCount"`

	// Versions total count across all buckets
	VersionsTotalCount uint64 `json:"versionsCount"`

	req := mustNewRequest(method, urlStr, contentLength, body, t)
	cred := globalActiveCred
	if err := preSignV2(req, cred.AccessKey, cred.SecretKey, time.Now().Add(10*time.Minute).Unix()); err != nil {
		t.Fatalf("Unable to initialized new signed http request %s", err)
	}
	return req
}

// This is similar to mustNewRequest but additionally the request

				return
			}
		case "Host":
			z.Host, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Host")
				return
			}
		case "Time":
			z.Time, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "Time")
				return
			}
		case "Token":
			z.Token, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Token")
				return
			}

			defer wg.Done()
			for range opsPerGoroutine {
				_ = httpStats.toServerHTTPStats(false)
				_ = httpStats.totalS3Requests.Load(false)
				_ = httpStats.currentS3Requests.Load(false)
				time.Sleep(1 * time.Microsecond)
			}
		}(i)
	}
	wg.Wait()

	finalStats := httpStats.toServerHTTPStats(false)
	totalRequests := 0
	for _, v := range finalStats.TotalS3Requests.APIStats {
		totalRequests += v