Traefik insights

Open SourceVersions: [current]25 metrics

OpenTelemetry·

Missing configuration file causes Traefik to load with defaults without clear errorwarning

traefik.config.reload.failure.total traefik.config.reload.last_failure

community.traefik.io

1mo ago▸

High 5xx error rate indicating backend or routing failurescritical

traefik.entrypoint.requests.total traefik.service.server.health

1mo ago▸

High cardinality metrics causing metric explosion

1mo ago▸

Metrics endpoint not accessible preventing Prometheus scraping

traefik.entrypoint.requests.total

1mo ago▸

Distributed traces not appearing in Jaeger UI

1mo ago▸

High request latency at p99 degrading user experiencewarning

traefik.entrypoint.request.duration traefik.service.request.duration

1mo ago▸

Backend service down detected by health check

traefik.service.server.health

1mo ago▸

Retry storms overwhelm recovering backend servicescritical

traefik.service.retries.total traefik.service.requests.total

2mo ago▸

High retry rate indicates persistent backend failureswarning

traefik.service.retries.total traefik.service.requests.total

2mo ago▸

Retry middleware on non-idempotent operations creates duplicate recordscritical

2mo ago▸

Unbounded retry configuration extends request latency indefinitelywarning

traefik.service.request.duration

2mo ago▸

Missing circuit breaker allows retry amplification to failing backendscritical

2mo ago▸

Consumed request body blocks retry attemptsinfo

2mo ago▸

Client errors (4xx) and business logic failures should not be retriedinfo

2mo ago▸

Chained ForwardAuth middlewares cause request timeouts and silent failurescritical

traefik.entrypoint.request.duration traefik.router.request.duration

2mo ago▸

Header modification conflicts between CrowdSec and Authelia cause silent failurescritical

2mo ago▸

Redirect loops occur when Authelia precedes CrowdSec in middleware chaincritical

2mo ago▸

CrowdSec firewall bouncer introduces up to 10-second ban decision delaywarning

2mo ago▸

Network-level CrowdSec blocking loses per-service rule granularitywarning

2mo ago▸

Traefik v3 access logs required for CrowdSec network-level decisionsinfo

2mo ago▸

Router rule mismatch causes persistent 404s despite healthy containers

traefik.entrypoint.requests.total traefik.router.requests.total

2mo ago▸

Router missing from config when exposedByDefault is false without explicit enable

traefik.router.requests.total

2mo ago▸

Auto-detected service port routes to wrong container port with multiple exposed ports

traefik.service.requests.total traefik.router.requests.total

2mo ago▸

Network isolation prevents Traefik from reaching container backends

traefik.service.server.health traefik.router.requests.total

2mo ago▸

Middleware reference error allows unprotected routingwarning

traefik.config.reload.failure.total

2mo ago▸

502 Bad Gateway when backend unreachable despite router match

traefik.service.server.health traefik.router.requests.total

2mo ago▸

HTTPS routing fails when router only configured for HTTP entrypointcritical

traefik.entrypoint.requests.tls.total traefik.router.requests.tls.total

2mo ago▸

Configuration changes not applied due to missed redeployment or socket permissions

traefik.config.reload.total traefik.config.reload.failure.total

2mo ago▸

Catch-all router steals traffic due to priority conflictswarning

2mo ago▸

Docker socket permission prevents Traefik from discovering containers

traefik.config.reload.failure.total

2mo ago▸