scheme: http
  static_configs:
  - targets: ['server1:9000','server2:9000','server3:9000','server4:9000']
```

##### Resource (optional)

Optionally you can also collect resource metrics.

```yaml
scrape_configs:
- job_name: minio-job
  metrics_path: /minio/v2/metrics/resource
  scheme: http
  static_configs:
  - targets: ['localhost:9000']
```

### 4. Update `scrape_configs` section in prometheus.yml

		// timestamp of last successful refresh
		config.lastRefreshedAt = UTCNow()
		return nil
	default:
		return err
	}

	// Reset drivercache built using current config
	for k := range config.drivercache {
		delete(config.drivercache, k)
	}
	// Remove existing tier configs
	for k := range config.Tiers {
		delete(config.Tiers, k)
	}
	// Copy over the new tier configs
	for tier, cfg := range newConfig.Tiers {

}

// loadFormatErasureAll - load all format config from all input disks in parallel.
func loadFormatErasureAll(storageDisks []StorageAPI, heal bool) ([]*formatErasureV3, []error) {
	// Initialize list of errors.
	g := errgroup.WithNErrs(len(storageDisks))

	// Initialize format configs.
	formats := make([]*formatErasureV3, len(storageDisks))

	// Load format from each disk in parallel

			case bucketVersioningConfig:
				config, _, err := globalBucketMetadataSys.GetVersioningConfig(bucket)
				if err != nil {
					writeErrorResponse(ctx, w, exportError(ctx, err, cfgFile, bucket), r.URL)
					return
				}
				// ignore empty versioning configs
				if config.Status != versioning.Enabled && config.Status != versioning.Suspended {
					continue
				}

		expectedSync: false,
	},
	{ // 3. existing object replication config enabled, versioning suspended
		name:         "existing object replication config enabled, versioning suspended",
		info:         ObjectInfo{Size: 100, VersionID: nullVersionID},
		rcfg:         replicationConfig{Config: &configs[0]},
		expectedSync: false,
	},
	{ // 4. existing object replication enabled, versioning enabled; no reset in progress

			}
			if errors.Is(err, errConfigNotFound) {
				// legacy file config not found, proceed to look for new metadata.
				continue
			}

			return nil, err
		}
		configs[legacyFile] = configData
		b.Created = info.ModTime
	}

	return configs, nil
}

func (b *BucketMetadata) convertLegacyConfigs(ctx context.Context, objectAPI ObjectLayer, configs map[string][]byte) error {

### **3.1 Configure Hadoop**

Navigate to **Services** -> **HDFS** -> **CONFIGS** -> **ADVANCED** as shown below

![hdfs-configs](https://github.com/minio/minio/blob/master/docs/bigdata/images/image2.png?raw=true "hdfs advanced configs")

Navigate to **Custom core-site** to configure MinIO parameters for `_s3a_` connector

![s3a-config](https://github.com/minio/minio/blob/master/docs/bigdata/images/image5.png?raw=true "custom core-site")

type ServerSystemConfig struct {
	NEndpoints int
	CmdLines   []string
	MinioEnv   map[string]string
}

// Diff - returns error on first difference found in two configs.
func (s1 *ServerSystemConfig) Diff(s2 *ServerSystemConfig) error {
	ns1 := s1.NEndpoints
	ns2 := s2.NEndpoints
	if ns1 != ns2 {
		return fmt.Errorf("Expected number of endpoints %d, seen %d", ns1, ns2)
	}

```yaml
route:
  group_by: ['alertname']
  group_wait: 30s
  group_interval: 5m
  repeat_interval: 1h
  receiver: 'web.hook'
receivers:
  - name: 'web.hook'
    webhook_configs:
      - url: 'http://127.0.0.1:8010/webhook'
inhibit_rules:
  - source_match:
      severity: 'critical'
    target_match:
      severity: 'warning'
    equal: ['alertname', 'dev', 'instance']
```

			internalLogIf(GlobalContext, errors.New("Detected older 'fifo' quota config, 'fifo' feature is removed and not supported anymore. Please clear your quota configs using 'mc admin bucket quota alias/bucket --clear' and use 'mc ilm add' for expiration of objects"), logger.WarningKind)
			return quotaCfg, fmt.Errorf("invalid quota type 'fifo'")
		}
		return quotaCfg, fmt.Errorf("Invalid quota config %#v", quotaCfg)
	}
	return
}