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minio/docs/metrics/prometheus/list.md

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Updated Prometheus metrics (#11141) * Add metrics for nodes online and offline * Add cluster capacity metrics * Introduce v2 metrics
2021-01-18 23:35:38 -05:00
# List of metrics reported cluster wide
Each metric includes a label for the server that calculated the metric.
Each metric has a label for the server that generated the metric.
These metrics can be from any MinIO server once per collection.
Add process uptime metric (#11844)
2021-03-21 00:23:27 -04:00
| Name | Description |
|:-----------------------------------------------|:----------------------------------------------------------------------------------------------------------------------------|
|`minio_bucket_objects_size_distribution` |Distribution of object sizes in the bucket, includes label for the bucket name. |
|`minio_bucket_replication_failed_bytes` |Total number of bytes failed at least once to replicate. |
|`minio_bucket_replication_pending_bytes` |Total bytes pending to replicate. |
|`minio_bucket_replication_received_bytes` |Total number of bytes replicated to this bucket from another source bucket. |
|`minio_bucket_replication_sent_bytes` |Total number of bytes replicated to the target bucket. |
Various improvements in replication (#11949) - collect real time replication metrics for prometheus. - add pending_count, failed_count metric for total pending/failed replication operations. - add API to get replication metrics - add MRF worker to handle spill-over replication operations - multiple issues found with replication - fixes an issue when client sends a bucket name with `/` at the end from SetRemoteTarget API call make sure to trim the bucket name to avoid any extra `/`. - hold write locks in GetObjectNInfo during replication to ensure that object version stack is not overwritten while reading the content. - add additional protection during WriteMetadata() to ensure that we always write a valid FileInfo{} and avoid ever writing empty FileInfo{} to the lowest layers. Co-authored-by: Poorna Krishnamoorthy <poorna@minio.io> Co-authored-by: Harshavardhana <harsha@minio.io>
2021-04-03 12:03:42 -04:00
|`minio_bucket_replication_pending_count` |Total number of replication operations pending for this bucket. |
Add process uptime metric (#11844)
2021-03-21 00:23:27 -04:00
|`minio_bucket_usage_object_total` |Total number of objects |
|`minio_bucket_usage_total_bytes` |Total bucket size in bytes |
|`minio_cache_hits_total` |Total number of disk cache hits |
|`minio_cache_missed_total` |Total number of disk cache misses |
|`minio_cache_sent_bytes` |Total number of bytes served from cache |
|`minio_cache_total_bytes` |Total size of cache disk in bytes |
|`minio_cache_usage_info` |Total percentage cache usage, value of 1 indicates high and 0 low, label level is set as well |
|`minio_cache_used_bytes` |Current cache usage in bytes |
|`minio_cluster_capacity_raw_free_bytes` |Total free capacity online in the cluster. |
|`minio_cluster_capacity_raw_total_bytes` |Total capacity online in the cluster. |
|`minio_cluster_capacity_usable_free_bytes` |Total free usable capacity online in the cluster. |
|`minio_cluster_capacity_usable_total_bytes` |Total usable capacity online in the cluster. |
|`minio_cluster_nodes_offline_total` |Total number of MinIO nodes offline. |
|`minio_cluster_nodes_online_total` |Total number of MinIO nodes online. |
|`minio_heal_objects_error_total` |Objects for which healing failed in current self healing run |
|`minio_heal_objects_heal_total` |Objects healed in current self healing run |
|`minio_heal_objects_total` |Objects scanned in current self healing run |
|`minio_heal_time_last_activity_nano_seconds` |Time elapsed (in nano seconds) since last self healing activity. This is set to -1 until initial self heal activity |
|`minio_inter_node_traffic_received_bytes` |Total number of bytes received from other peer nodes. |
|`minio_inter_node_traffic_sent_bytes` |Total number of bytes sent to the other peer nodes. |
|`minio_node_disk_free_bytes` |Total storage available on a disk. |
|`minio_node_disk_total_bytes` |Total storage on a disk. |
|`minio_node_disk_used_bytes` |Total storage used on a disk. |
|`minio_node_file_descriptor_limit_total` |Limit on total number of open file descriptors for the MinIO Server process. |
|`minio_node_file_descriptor_open_total` |Total number of open file descriptors by the MinIO Server process. |
|`minio_node_io_rchar_bytes` |Total bytes read by the process from the underlying storage system including cache, /proc/[pid]/io rchar |
|`minio_node_io_read_bytes` |Total bytes read by the process from the underlying storage system, /proc/[pid]/io read_bytes |
|`minio_node_io_wchar_bytes` |Total bytes written by the process to the underlying storage system including page cache, /proc/[pid]/io wchar |
|`minio_node_io_write_bytes` |Total bytes written by the process to the underlying storage system, /proc/[pid]/io write_bytes |
|`minio_node_process_starttime_seconds` |Start time for MinIO process per node, time in seconds since Unix epoc. |
|`minio_node_process_uptime_seconds` |Uptime for MinIO process per node in seconds. |
|`minio_node_syscall_read_total` |Total read SysCalls to the kernel. /proc/[pid]/io syscr |
|`minio_node_syscall_write_total` |Total write SysCalls to the kernel. /proc/[pid]/io syscw |
|`minio_s3_requests_error_total` |Total number S3 requests with errors |
|`minio_s3_requests_inflight_total` |Total number of S3 requests currently in flight |
|`minio_s3_requests_total` |Total number S3 requests |
|`minio_s3_time_ttbf_seconds_distribution` |Distribution of the time to first byte across API calls. |
|`minio_s3_traffic_received_bytes` |Total number of s3 bytes received. |
|`minio_s3_traffic_sent_bytes` |Total number of s3 bytes sent |
|`minio_software_commit_info` |Git commit hash for the MinIO release. |
|`minio_software_version_info` |MinIO Release tag for the server |