p, err := procfs.Self()
		if err != nil {
			metricsLogIf(ctx, err)
		} else {
			loadProcFSMetrics(ctx, p, m)
		}
	}

	if globalIsDistErasure && globalLockServer != nil {
		st := globalLockServer.stats()
		m.Set(processLocksReadTotal, float64(st.Reads))
		m.Set(processLocksWriteTotal, float64(st.Writes))
	}
	return nil

		NumBuckets:      int64(rs.TotBuckets),
	}
	for b, st := range rs.BucketStatuses {
		if st == ResyncFailed {
			m.FailedBuckets = append(m.FailedBuckets, b)
		}
	}
	return &m
}

// save in-memory stats to disk
func (sm *siteResyncMetrics) save(ctx context.Context) {
	sTimer := time.NewTimer(siteResyncSaveInterval)
	defer sTimer.Stop()
	for {
		select {
		case <-sTimer.C:

     */
    public static ScriptEngineFactory getScriptEngineFactory() {
        return getComponent(SCRIPT_ENGINE_FACTORY);
    }

    /**
     * Gets the crawler stats helper component.
     * @return The crawler stats helper.
     */
    public static CrawlerStatsHelper getCrawlerStatsHelper() {
        return getComponent(CRAWLER_STATS_HELPER);
    }

    /**

   * {@link Cache#stats} will return zero for all statistics. Note that recording stats requires
   * bookkeeping to be performed with each operation, and thus imposes a performance penalty on
   * cache operation.
   *
   * @return this {@code CacheBuilder} instance (for chaining)
   * @since 12.0 (previously, stats collection was automatic)
   */
  @CanIgnoreReturnValue

		adminRouter.Methods(http.MethodGet).Path(adminVersion + "/tier/{tier}").HandlerFunc(adminMiddleware(adminAPI.VerifyTierHandler))
		// Tier stats
		adminRouter.Methods(http.MethodGet).Path(adminVersion + "/tier-stats").HandlerFunc(adminMiddleware(adminAPI.TierStatsHandler))

		// Cluster Replication APIs

	globalDriveMonitoring = env.Get("_MINIO_DRIVE_ACTIVE_MONITORING", config.EnableOn) == config.EnableOn

	// Is MINIO_CI_CD set?
	globalIsCICD bool

	globalRootDiskThreshold uint64

	// Used for collecting stats for netperf
	globalNetPerfMinDuration     = time.Second * 10
	globalNetPerfRX              netPerfRX
	globalSiteNetPerfRX          netPerfRX
	globalObjectPerfBucket       = "minio-perf-test-tmp-bucket"

func httpTracerMiddleware(h http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		// Setup a http request response recorder - this is needed for
		// http stats requests and audit if enabled.
		respRecorder := xhttp.NewResponseRecorder(w)

		// Setup a http request body recorder
		reqRecorder := &xhttp.RequestRecorder{Reader: r.Body}
		r.Body = reqRecorder

// handlers.
//
// It is set per-"handler function registration" in the router to allow for
// behavior modification via flags.
//
// This middleware always calls `collectAPIStats` to collect API stats.
//
// The passed in handler function must be a method of `objectAPIHandlers` for
// the name displayed in logs and trace to be accurate. The name is extracted
// via reflection.
//

	AssertEqual(t, ok, true)
	AssertEqual(t, len(conn.Stmts.Keys()), 2)
	for _, stmt := range conn.Stmts.Keys() {
		if stmt == "" {
			t.Fatalf("stmt cannot bee nil")
		}
	}

	AssertEqual(t, sqlDB.Stats().InUse, 0)
}

func TestPreparedStmtInTransaction(t *testing.T) {
	user := User{Name: "jinzhu"}

	if err := DB.Transaction(func(tx *gorm.DB) error {
		tx.Session(&gorm.Session{PrepareStmt: true}).Create(&user)

	if !fi.Deleted {
		onDiskSz = fi.Size * int64(fi.Erasure.DataBlocks+fi.Erasure.ParityBlocks) / int64(fi.Erasure.DataBlocks)
	}
	rs.Bytes += uint64(onDiskSz)
	rs.Bucket = bucket
	rs.Object = fi.Name
}

type rstats []*rebalanceStats

//go:generate stringer -type=rebalStatus -trimprefix=rebal $GOFILE
type rebalStatus uint8

const (
	rebalNone rebalStatus = iota
	rebalStarted
	rebalCompleted
	rebalStopped
	rebalFailed