Updated Prometheus metrics (#11141)
* Add metrics for nodes online and offline * Add cluster capacity metrics * Introduce v2 metricsmaster
Ritesh H Shukla
3 years ago
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/* |
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* MinIO Cloud Storage, (C) 2020 MinIO, Inc. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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package cmd |
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import ( |
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"context" |
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) |
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// GetTotalCapacity gets the total capacity in the cluster.
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func GetTotalCapacity(ctx context.Context) (capacity uint64) { |
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d := globalNotificationSys.DiskHwInfo(ctx) |
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for _, s := range d { |
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capacity += s.GetTotalCapacity() |
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} |
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return |
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} |
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// GetTotalUsableCapacity gets the total usable capacity in the cluster.
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func GetTotalUsableCapacity(ctx context.Context, s StorageInfo) (capacity float64) { |
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raw := GetTotalCapacity(ctx) |
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ratio := float64(s.Backend.StandardSCData) / float64(s.Backend.StandardSCData+s.Backend.StandardSCParity) |
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return float64(raw) * ratio |
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} |
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// GetTotalCapacityFree gets the total capacity free in the cluster.
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func GetTotalCapacityFree(ctx context.Context) (capacity uint64) { |
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d := globalNotificationSys.DiskHwInfo(ctx) |
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for _, s := range d { |
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capacity += s.GetTotalFreeCapacity() |
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} |
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return |
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} |
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// GetTotalUsableCapacityFree gets the total usable capacity free in the cluster.
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func GetTotalUsableCapacityFree(ctx context.Context, s StorageInfo) (capacity float64) { |
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raw := GetTotalCapacityFree(ctx) |
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ratio := float64(s.Backend.StandardSCData) / float64(s.Backend.StandardSCData+s.Backend.StandardSCParity) |
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return float64(raw) * ratio |
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} |
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# List of metrics reported cluster wide |
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Each metric includes a label for the server that calculated the metric. |
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Each metric has a label for the server that generated the metric. |
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These metrics can be from any MinIO server once per collection. |
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| Name | Description | |
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|:-----------------------------------------------|:----------------------------------------------------------------------------------------------------------------------------| |
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|`minio_bucket_objects_size_distribution` |Distribution of object sizes in the bucket, includes label for the bucket name. | |
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|`minio_bucket_replication_failed_bytes` |Total number of bytes failed at least once to replicate. | |
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|`minio_bucket_replication_pending_bytes` |Total bytes pending to replicate. | |
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|`minio_bucket_replication_received_bytes` |Total number of bytes replicated to this bucket from another source bucket. | |
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|`minio_bucket_replication_sent_bytes` |Total number of bytes replicated to the target bucket. | |
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|`minio_bucket_usage_object_total` |Total number of objects | |
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|`minio_bucket_usage_total_bytes` |Total bucket size in bytes | |
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|`minio_cluster_capacity_raw_free_bytes` |Total free capacity online in the cluster. | |
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|`minio_cluster_capacity_raw_total_bytes` |Total capacity online in the cluster. | |
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|`minio_cluster_capacity_usable_free_bytes` |Total free usable capacity online in the cluster. | |
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|`minio_cluster_capacity_usable_total_bytes` |Total usable capacity online in the cluster. | |
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|`minio_cluster_disk_offline_total` |Total disks offline. | |
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|`minio_cluster_disk_online_total` |Total disks online. | |
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|`minio_cluster_nodes_offline_total` |Total number of MinIO nodes offline. | |
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|`minio_cluster_nodes_online_total` |Total number of MinIO nodes online. | |
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|`minio_heal_objects_error_total` |Objects for which healing failed in current self healing run | |
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|`minio_heal_objects_heal_total` |Objects healed in current self healing run | |
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|`minio_heal_objects_total` |Objects scanned in current self healing run | |
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|`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 | |
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|`minio_inter_node_traffic_received_bytes` |Total number of bytes received from other peer nodes. | |
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|`minio_inter_node_traffic_sent_bytes` |Total number of bytes sent to the other peer nodes. | |
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|`minio_node_disk_free_bytes` |Total storage available on a disk. | |
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|`minio_node_disk_total_bytes` |Total storage on a disk. | |
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|`minio_node_disk_used_bytes` |Total storage used on a disk. | |
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|`minio_s3_requests_error_total` |Total number S3 requests with errors | |
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|`minio_s3_requests_inflight_total` |Total number of S3 requests currently in flight. | |
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|`minio_s3_requests_total` |Total number S3 requests | |
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|`minio_s3_time_ttbf_seconds_distribution` |Distribution of the time to first byte across API calls. | |
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|`minio_s3_traffic_received_bytes` |Total number of s3 bytes received. | |
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|`minio_s3_traffic_sent_bytes` |Total number of s3 bytes sent | |
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|`minio_cache_hits_total` |Total number of disk cache hits | |
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|`minio_cache_missed_total` |Total number of disk cache misses | |
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|`minio_cache_sent_bytes` |Total number of bytes served from cache | |
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|`minio_cache_total_bytes` |Total size of cache disk in bytes | |
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|`minio_cache_usage_info` |Total percentage cache usage, value of 1 indicates high and 0 low, label level is set as well | |
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|`minio_cache_used_bytes` |Current cache usage in bytes | |
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|`minio_software_commit_info` |Git commit hash for the MinIO release. | |
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|`minio_software_version_info` |MinIO Release tag for the server | |
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