Metriche (Prometheus)

PgArachne esporta metriche su /metrics, incluse le metriche standard Go e:

• pgarachne_http_requests_total, pgarachne_http_request_duration_seconds
• pgarachne_auth_requests_total, pgarachne_login_attempts_total
• pgarachne_jsonrpc_requests_total
• pgarachne_sse_clients, pgarachne_sse_channels, pgarachne_sse_client_drops_total