# Netflix Hystrix

<!-- llms-txt-link: /llms.txt -->

> OpenTelemetry Java agent instrumentation

This instrumentation enables spans for Hystrix command executions and fallbacks.

- **Name**: `hystrix-1.4`
- **Scope**: `io.opentelemetry.hystrix-1.4`
- **Target versions**: `com.netflix.hystrix:hystrix-core:[1.4.0,)`
- **Library**: https://github.com/Netflix/Hystrix

## Telemetry

- **Span attributes**: `hystrix.circuit_open`, `hystrix.command`, `hystrix.group`

## Configuration

| Option | Type | Default | Description |
| --- | --- | --- | --- |
| `otel.instrumentation.hystrix.experimental-span-attributes` | boolean | false | Enables capturing the experimental `hystrix.command`, `hystrix.circuit_open` and `hystrix.group` span attributes. |

## Data

- **JSON**: [/data/javaagent/instrumentations/hystrix-1.4/hystrix-1.4-de6743262c34.json](/data/javaagent/instrumentations/hystrix-1.4/hystrix-1.4-de6743262c34.json)
- **Explore**: [/java-agent/instrumentation/hystrix-1.4](/java-agent/instrumentation/hystrix-1.4)