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

	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)

// 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.
//

	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"

   * {@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

		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:

	// BucketStats map of bucket to slice of deployment IDs with stats. This is populated only if there are
	// mismatches or if a specific bucket's stats are requested
	BucketStats map[string]map[string]srBucketStatsSummary
	// PolicyStats map of policy to slice of deployment IDs with stats. This is populated only if there are
	// mismatches or if a specific bucket's stats are requested
	PolicyStats map[string]map[string]srPolicyStatsSummary

func loadAPIRequestsHTTPMetrics(ctx context.Context, m MetricValues, _ *metricsCache) error {
	// Collect node level S3 HTTP metrics.
	httpStats := globalHTTPStats.toServerHTTPStats(false)

	// Currently we only collect S3 API related stats, so we set the "type"
	// label to "s3".

	m.Set(apiRejectedAuthTotal, float64(httpStats.TotalS3RejectedAuth), "type", "s3")
	m.Set(apiRejectedTimestampTotal, float64(httpStats.TotalS3RejectedTime), "type", "s3")

     */
    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);
    }

    /**

		}
	}
}

// State returns the current connection status.
func (c *Connection) State() State {
	return State(atomic.LoadUint32((*uint32)(&c.state)))
}

// Stats returns the current connection stats.
func (c *Connection) Stats() madmin.RPCMetrics {
	conn := 0
	if c.State() == StateConnected {
		conn++
	}
	var lastConn time.Time
	if t := c.lastConnect.Load(); t != nil {
		lastConn = *t