# Metrics > Pigsty MINIO module metric list --- [**`MINIO`**](/docs/minio) module has 79 available metrics | Metric Name | Type | Labels | Description | |--------------------------------------------------|---------|----------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------| | minio_audit_failed_messages | counter | `ip`, `job`, `target_id`, `cls`, `instance`, `server`, `ins` | Total number of messages that failed to send since start | | minio_audit_target_queue_length | gauge | `ip`, `job`, `target_id`, `cls`, `instance`, `server`, `ins` | Number of unsent messages in queue for target | | minio_audit_total_messages | counter | `ip`, `job`, `target_id`, `cls`, `instance`, `server`, `ins` | Total number of messages sent since start | | minio_cluster_bucket_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of buckets in the cluster | | minio_cluster_capacity_raw_free_bytes | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total free capacity online in the cluster | | minio_cluster_capacity_raw_total_bytes | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total capacity online in the cluster | | minio_cluster_capacity_usable_free_bytes | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total free usable capacity online in the cluster | | minio_cluster_capacity_usable_total_bytes | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total usable capacity online in the cluster | | minio_cluster_drive_offline_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total drives offline in this cluster | | minio_cluster_drive_online_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total drives online in this cluster | | minio_cluster_drive_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total drives in this cluster | | minio_cluster_health_erasure_set_healing_drives | gauge | `pool`, `ip`, `job`, `cls`, `set`, `instance`, `server`, `ins` | Get the count of healing drives of this erasure set | | minio_cluster_health_erasure_set_online_drives | gauge | `pool`, `ip`, `job`, `cls`, `set`, `instance`, `server`, `ins` | Get the count of the online drives in this erasure set | | minio_cluster_health_erasure_set_read_quorum | gauge | `pool`, `ip`, `job`, `cls`, `set`, `instance`, `server`, `ins` | Get the read quorum for this erasure set | | minio_cluster_health_erasure_set_status | gauge | `pool`, `ip`, `job`, `cls`, `set`, `instance`, `server`, `ins` | Get current health status for this erasure set | | minio_cluster_health_erasure_set_write_quorum | gauge | `pool`, `ip`, `job`, `cls`, `set`, `instance`, `server`, `ins` | Get the write quorum for this erasure set | | minio_cluster_health_status | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Get current cluster health status | | minio_cluster_nodes_offline_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of MinIO nodes offline | | minio_cluster_nodes_online_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of MinIO nodes online | | minio_cluster_objects_size_distribution | gauge | `ip`, `range`, `job`, `cls`, `instance`, `server`, `ins` | Distribution of object sizes across a cluster | | minio_cluster_objects_version_distribution | gauge | `ip`, `range`, `job`, `cls`, `instance`, `server`, `ins` | Distribution of object versions across a cluster | | minio_cluster_usage_deletemarker_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of delete markers in a cluster | | minio_cluster_usage_object_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of objects in a cluster | | minio_cluster_usage_total_bytes | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total cluster usage in bytes | | minio_cluster_usage_version_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of versions (includes delete marker) in a cluster | | minio_cluster_webhook_failed_messages | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Number of messages that failed to send | | minio_cluster_webhook_online | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Is the webhook online? | | minio_cluster_webhook_queue_length | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Webhook queue length | | minio_cluster_webhook_total_messages | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of messages sent to this target | | minio_cluster_write_quorum | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Maximum write quorum across all pools and sets | | minio_node_file_descriptor_limit_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Limit on total number of open file descriptors for the MinIO Server process | | minio_node_file_descriptor_open_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of open file descriptors by the MinIO Server process | | minio_node_go_routine_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of go routines running | | minio_node_ilm_expiry_pending_tasks | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Number of pending ILM expiry tasks in the queue | | minio_node_ilm_transition_active_tasks | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Number of active ILM transition tasks | | minio_node_ilm_transition_missed_immediate_tasks | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Number of missed immediate ILM transition tasks | | minio_node_ilm_transition_pending_tasks | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Number of pending ILM transition tasks in the queue | | minio_node_ilm_versions_scanned | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of object versions checked for ilm actions since server start | | minio_node_io_rchar_bytes | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total bytes read by the process from the underlying storage system including cache, /proc/[pid]/io rchar | | minio_node_io_read_bytes | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total bytes read by the process from the underlying storage system, /proc/[pid]/io read_bytes | | minio_node_io_wchar_bytes | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total bytes written by the process to the underlying storage system including page cache, /proc/[pid]/io wchar | | minio_node_io_write_bytes | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total bytes written by the process to the underlying storage system, /proc/[pid]/io write_bytes | | minio_node_process_cpu_total_seconds | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total user and system CPU time spent in seconds | | minio_node_process_resident_memory_bytes | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Resident memory size in bytes | | minio_node_process_starttime_seconds | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Start time for MinIO process per node, time in seconds since Unix epoc | | minio_node_process_uptime_seconds | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Uptime for MinIO process per node in seconds | | minio_node_scanner_bucket_scans_finished | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of bucket scans finished since server start | | minio_node_scanner_bucket_scans_started | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of bucket scans started since server start | | minio_node_scanner_directories_scanned | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of directories scanned since server start | | minio_node_scanner_objects_scanned | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of unique objects scanned since server start | | minio_node_scanner_versions_scanned | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of object versions scanned since server start | | minio_node_syscall_read_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total read SysCalls to the kernel. /proc/[pid]/io syscr | | minio_node_syscall_write_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total write SysCalls to the kernel. /proc/[pid]/io syscw | | minio_notify_current_send_in_progress | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Number of concurrent async Send calls active to all targets (deprecated, please use 'minio_notify_target_current_send_in_progress' instead) | | minio_notify_events_errors_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Events that were failed to be sent to the targets (deprecated, please use 'minio_notify_target_failed_events' instead) | | minio_notify_events_sent_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of events sent to the targets (deprecated, please use 'minio_notify_target_total_events' instead) | | minio_notify_events_skipped_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Events that were skipped to be sent to the targets due to the in-memory queue being full | | minio_s3_requests_4xx_errors_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins`, `api` | Total number of S3 requests with (4xx) errors | | minio_s3_requests_errors_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins`, `api` | Total number of S3 requests with (4xx and 5xx) errors | | minio_s3_requests_incoming_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of incoming S3 requests | | minio_s3_requests_inflight_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins`, `api` | Total number of S3 requests currently in flight | | minio_s3_requests_rejected_auth_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of S3 requests rejected for auth failure | | minio_s3_requests_rejected_header_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of S3 requests rejected for invalid header | | minio_s3_requests_rejected_invalid_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of invalid S3 requests | | minio_s3_requests_rejected_timestamp_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of S3 requests rejected for invalid timestamp | | minio_s3_requests_total | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins`, `api` | Total number of S3 requests | | minio_s3_requests_ttfb_seconds_distribution | gauge | `ip`, `job`, `cls`, `le`, `instance`, `server`, `ins`, `api` | Distribution of time to first byte across API calls | | minio_s3_requests_waiting_total | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of S3 requests in the waiting queue | | minio_s3_traffic_received_bytes | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of s3 bytes received | | minio_s3_traffic_sent_bytes | counter | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Total number of s3 bytes sent | | minio_software_commit_info | gauge | `ip`, `job`, `cls`, `instance`, `commit`, `server`, `ins` | Git commit hash for the MinIO release | | minio_software_version_info | gauge | `ip`, `job`, `cls`, `instance`, `version`, `server`, `ins` | MinIO Release tag for the server | | minio_up | Unknown | `ip`, `job`, `cls`, `instance`, `ins` | N/A | | minio_usage_last_activity_nano_seconds | gauge | `ip`, `job`, `cls`, `instance`, `server`, `ins` | Time elapsed (in nano seconds) since last scan activity. | | scrape_duration_seconds | Unknown | `ip`, `job`, `cls`, `instance`, `ins` | N/A | | scrape_samples_post_metric_relabeling | Unknown | `ip`, `job`, `cls`, `instance`, `ins` | N/A | | scrape_samples_scraped | Unknown | `ip`, `job`, `cls`, `instance`, `ins` | N/A | | scrape_series_added | Unknown | `ip`, `job`, `cls`, `instance`, `ins` | N/A | | up | Unknown | `ip`, `job`, `cls`, `instance`, `ins` | N/A |