Prometheus Metrics

This doc contains all the metrics that Dragonfly components currently support. Now we support metrics for Client, Seed Client, Manager and Scheduler. The metrics path is fixed to /metrics. The following metrics are exported.

Client

GRPC metrics are exposed via go-grpc-prometheus.

Name	Labels	Type	Description
download_task_total	type, tag, app, priority	counter	Counter of the number of the download task.
download_task_failure_total	type, tag, app, priority	counter	Counter of the number of failed of the download task.
prefetch_task_total	type, tag, app, priority	counter	Counter of the number of the prefetch task.
prefetch_task_failure_total	type, tag, app, priority	counter	Counter of the number of failed of the prefetch task.
concurrent_download_task_total	type, tag, app, priority	gauge	Gauge of the number of concurrent of the download task.
concurrent_upload_piece_total		gauge	Gauge of the number of concurrent of the upload piece.
download_traffic	type	counter	Counter of the number of the download traffic.
upload_traffic		counter	Counter of the number of the upload traffic.
download_task_duration_milliseconds	task_size_level	histogram	Histogram of the download task duration.
version	git_version, git_commit, platform, build_time	gauge	Version info of the service.

Manager

GRPC metrics are exposed via go-grpc-prometheus.

Name	Labels	Type	Description
dragonfly_manager_peer_total	version, commit	gauge	Gauge of the number of peer.
dragonfly_manager_search_scheduler_cluster_total	version, commit	counter	Counter of the number of searching scheduler cluster.
dragonfly_manager_search_scheduler_cluster_failure_total	version, commit	counter	Counter of the number of failed of searching scheduler cluster.
dragonfly_manager_version	major, minor, git_version, git_commit, platform, build_time, go_version, go_tags, go_gcflags	gauge	Version info of the service.

Scheduler

GRPC metrics are exposed via go-grpc-prometheus.

Name	Labels	Type	Description
dragonfly_scheduler_announce_peer_total		counter	Counter of the number of the announcing peer.
dragonfly_scheduler_announce_peer_failure_total		counter	Counter of the number of failed of the announcing peer.
dragonfly_scheduler_stat_peer_total		counter	Counter of the number of the stat peer.
dragonfly_scheduler_stat_peer_failure_total		counter	Counter of the number of failed of the stat peer.
dragonfly_scheduler_leave_peer_total		counter	Counter of the number of the leaving peer.
dragonfly_scheduler_leave_peer_failure_total		counter	Counter of the number of failed of the leaving peer.
dragonfly_scheduler_exchange_peer_total		counter	Counter of the number of the exchanging peer.
dragonfly_scheduler_exchange_peer_failure_total		counter	Counter of the number of the exchanging peer.
dragonfly_scheduler_register_peer_total	priority, task_type, task_tag, task_app, host_type	counter	Counter of the number of the register peer.
dragonfly_scheduler_register_peer_failure_total	priority, task_type, task_tag, task_app, host_type	counter	Counter of the number of failed of the register peer.
dragonfly_scheduler_download_peer_started_total	priority, task_type, task_tag, task_app, host_type	counter	Counter of the number of the download peer started.
dragonfly_scheduler_download_peer_started_failure_total	priority, task_type, task_tag, task_app, host_type	counter	Counter of the number of failed of the download peer started.
dragonfly_scheduler_download_peer_back_to_source_started_total	priority, task_type, task_tag, task_app, host_type	counter	Counter of the number of the download peer back-to-source started.
dragonfly_scheduler_download_peer_back_to_source_started_failure_total	priority, task_type, task_tag, task_app, host_type	counter	Counter of the number of failed of the download peer back-to-source started.
dragonfly_scheduler_download_peer_finished_total	priority, task_type, task_tag, task_app, host_type	counter	Counter of the number of the download peer.
dragonfly_scheduler_download_peer_finished_failure_total	priority, task_type, task_tag, task_app, host_type	counter	Counter of the number of failed of the download peer.
dragonfly_scheduler_download_peer_back_to_source_finished_failure_total	priority, task_type, task_tag, task_app, host_type	counter	Counter of the number of failed of the download peer back-to-source.
dragonfly_scheduler_download_piece_finished_total	traffic_type, task_type, task_tag, task_app, host_type	counter	Counter of the number of the download piece.
dragonfly_scheduler_download_piece_finished_failure_total	traffic_type, task_type, task_tag, task_app, host_type	counter	Counter of the number of failed of the download piece.
dragonfly_scheduler_download_piece_back_to_source_finished_failure_total	traffic_type, task_type, task_tag, task_app, host_type	counter	Counter of the number of failed of the download piece back-to-source.
dragonfly_scheduler_stat_task_total		counter	Counter of the number of the stat task.
dragonfly_scheduler_stat_task_failure_total		counter	Counter of the number of failed of the stat task.
dragonfly_scheduler_announce_host_total	os, platform, platform_family, platform_version, kernel_version, git_version, git_commit, go_version, build_platform	counter	Counter of the number of the announce host.
dragonfly_scheduler_announce_host_failure_total	os, platform, platform_family, platform_version, kernel_version, git_version, git_commit, go_version, build_platform	counter	Counter of the number of failed of the announce host.
dragonfly_scheduler_leave_host_total		counter	Counter of the number of the leaving host.
dragonfly_scheduler_leave_host_failure_total		counter	Counter of the number of failed of the leaving host.
dragonfly_scheduler_traffic	type, task_type, task_tag, task_app, host_type	counter	Counter of the number of traffic.
dragonfly_scheduler_host_traffic	type, task_type, task_tag, task_app, host_type, host_id, host_ip, host_name	counter	Counter of the number of per host traffic.
dragonfly_scheduler_download_peer_duration_milliseconds	task_size_level	summary	Summary of the time each peer downloading.
dragonfly_scheduler_concurrent_schedule_total		gauge	Gauge of the number of concurrent of the scheduling.
dragonfly_scheduler_version	major, minor, git_version, git_commit, platform, build_time, go_version, go_tags, go_gcflags	counter	Version info of the service.