traefik/docs/content/observability/tracing/zipkin.md
2022-04-15 15:44:08 +02:00

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---
title: "Traefik Zipkin Documentation"
description: "Traefik supports several tracing backends, including Zipkin. Learn how to implement it for observability in Traefik Proxy. Read the technical documentation."
---
# Zipkin
To enable the Zipkin tracer:
```yaml tab="File (YAML)"
tracing:
zipkin: {}
```
```toml tab="File (TOML)"
[tracing]
[tracing.zipkin]
```
```bash tab="CLI"
--tracing.zipkin=true
```
#### `httpEndpoint`
_Required, Default="http://localhost:9411/api/v2/spans"_
HTTP endpoint used to send data.
```yaml tab="File (YAML)"
tracing:
zipkin:
httpEndpoint: http://localhost:9411/api/v2/spans
```
```toml tab="File (TOML)"
[tracing]
[tracing.zipkin]
httpEndpoint = "http://localhost:9411/api/v2/spans"
```
```bash tab="CLI"
--tracing.zipkin.httpEndpoint=http://localhost:9411/api/v2/spans
```
#### `sameSpan`
_Optional, Default=false_
Uses SameSpan RPC style traces.
```yaml tab="File (YAML)"
tracing:
zipkin:
sameSpan: true
```
```toml tab="File (TOML)"
[tracing]
[tracing.zipkin]
sameSpan = true
```
```bash tab="CLI"
--tracing.zipkin.sameSpan=true
```
#### `id128Bit`
_Optional, Default=true_
Uses 128 bits trace IDs.
```yaml tab="File (YAML)"
tracing:
zipkin:
id128Bit: false
```
```toml tab="File (TOML)"
[tracing]
[tracing.zipkin]
id128Bit = false
```
```bash tab="CLI"
--tracing.zipkin.id128Bit=false
```
#### `sampleRate`
_Required, Default=1.0_
The proportion of requests to trace, specified between 0.0 and 1.0.
```yaml tab="File (YAML)"
tracing:
zipkin:
sampleRate: 0.2
```
```toml tab="File (TOML)"
[tracing]
[tracing.zipkin]
sampleRate = 0.2
```
```bash tab="CLI"
--tracing.zipkin.sampleRate=0.2
```