// It creates the Prometheus Description which is used
// to define metric and  help string
func newMinioCollector() *minioCollector {
	return &minioCollector{
		desc: prometheus.NewDesc("minio_stats", "Statistics exposed by MinIO server", nil, nil),
	}
}

// minioCollector is the Custom Collector
type minioCollector struct {
	desc *prometheus.Desc
}

```java
if (!context.getConfig().isUseLeases() || !session.supports(SMB3_0)) {
    // Fall back to traditional oplock mechanism
    useOplockInstead();
}
```

## 11. Monitoring and Metrics

### 11.1 Lease Statistics
```java
public class LeaseStatistics {
    private final AtomicLong leasesRequested = new AtomicLong();
    private final AtomicLong leasesGranted = new AtomicLong();

    private final AtomicInteger consecutiveFailures = new AtomicInteger(0);
    private final AtomicInteger consecutiveSuccesses = new AtomicInteger(0);

    // Hystrix-style windowed statistics
    private final RollingWindow rollingWindow = new RollingWindow(10, 1000); // 10 buckets, 1 second each

    /**
     * Create a circuit breaker with default settings
     *

func newMinioResourceCollector(metricsGroups []*MetricsGroupV2) *minioResourceCollector {
	return &minioResourceCollector{
		metricsGroups: metricsGroups,
		desc:          prometheus.NewDesc("minio_resource_stats", "Resource statistics exposed by MinIO server", nil, nil),
	}
}

func prepareResourceMetrics(rm ResourceMetric, subSys MetricSubsystem, requireAvgMax bool) []MetricV2 {
	help := resourceMetricsHelpMap[rm.Name]
	name := rm.Name

 *   <li>values automatically wrapped in {@code WeakReference} or {@code SoftReference}
 *   <li>notification of evicted (or otherwise removed) entries
 *   <li>accumulation of cache access statistics
 * </ul>
 *
 * <p>These features are all optional; caches can be created using all or none of them. By default,
 * cache instances created by {@code CacheBuilder} will not perform any type of eviction.
 *

        }
        
        // Fall back to direct server query
        return directory.performDirectEnumeration();
    }
}
```

## 10. Monitoring and Metrics

### 10.1 Directory Cache Statistics
```java
public class DirectoryCacheStatistics {
    private final AtomicLong cacheHits = new AtomicLong();
    private final AtomicLong cacheMisses = new AtomicLong();

        
        // Wait for all reconnections
        CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
    }
}
```

## 11. Monitoring and Metrics

### 11.1 Handle Statistics
```java
public class HandleStatistics {
    private final AtomicLong handlesRequested = new AtomicLong();
    private final AtomicLong handlesGranted = new AtomicLong();

		}
	}

	replicationStats = append(replicationStats, bucketStatsMap)
	return replicationStats
}

// GetClusterBucketStats - calls GetClusterBucketStats call on all peers for a cluster statistics view.
func (sys *NotificationSys) GetClusterBucketStats(ctx context.Context, bucketName string) []BucketStats {
	ng := WithNPeers(len(sys.peerClients)).WithRetries(1)
	bucketStats := make([]BucketStats, len(sys.peerClients))

    }

    /**
     * Get key rotation metrics
     *
     * @return metrics map containing rotation statistics
     */
    public java.util.Map<String, Long> getKeyRotationMetrics() {
        java.util.Map<String, Long> metrics = new java.util.HashMap<>();
        metrics.put("totalRotations", totalKeyRotations.get());

	"github.com/minio/minio/internal/logger"
	"github.com/minio/pkg/v3/env"
	"github.com/minio/pkg/v3/workers"
)

//go:generate msgp -file $GOFILE -unexported

// rebalanceStats contains per-pool rebalance statistics like number of objects,
// versions and bytes rebalanced out of a pool
type rebalanceStats struct {
	InitFreeSpace uint64 `json:"initFreeSpace" msg:"ifs"` // Pool free space at the start of rebalance