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3. **Identify** deviations from expected behavior |
4. **Document** successful patterns for regression testing |
## Observability with VoltOps - A Case Study |
While there are various observability tools available, VoltOps provides a good example of how modern observability can transform LLM testing and debugging. |
### Step-by-step execution analysis |
Modern observability tools show you explicitly how your agent handled a request: |
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sequenceDiagram |
participant U as User |
participant A as AI Agent |
participant T1 as Weather API |
participant T2 as Calendar API |
participant D as Database |
U->>A: "What's the weather in Paris and schedule a meeting" |
A->>A: Analyze request |
A->>T1: get_weather("Paris") |
T1->>A: {"temp": 22, "conditions": "sunny"} |
A->>D: check_availability() |
D->>A: {"available_slots": ["14:00", "16:00"]} |
A->>T2: schedule_meeting(slot="14:00") |
T2->>A: {"meeting_id": "abc123", "confirmed": true} |
A->>U: "It's 22°C and sunny in Paris. I've scheduled your meeting for 14:00." |
Note over A: All decision points logged |
Note over T1,T2,D: External calls tracked with timing |
Note over U,A: Complete conversation flow visible |
`} /> |
This timeline shows you: |
- **What happened when** - Operation order |
- **Decision points** - Why the agent acted that way |
- **Data flow** - Where information moved between pieces |
- **Timing** - How long each took |
### Tool and API interaction logging |
Every external interaction gets logged with complete details: |
```json |
{ |
"interaction": { |
"type": "api_call", |
"service": "weather_api", |
"parameters": { |
"location": "Paris", |
"units": "celsius" |
}, |
"timestamp": "2024-01-15T10:30:00Z", |
"executionTime": "247ms", |
"status": "success" |
}, |
"response": { |
"data": { |
"temperature": 22, |
"conditions": "sunny", |
"humidity": 65 |
}, |
"responseTime": "180ms" |
} |
} |
``` |
This detailed logging allows you to: |
- **Verify correct parameters** - Make sure APIs are called with appropriate inputs |
- **Debug failures** - Determine exactly what happens when services go wrong |
- **Optimize performance** - Find slow external calls |
- **Monitor reliability** - Track success rates and error patterns |
### Memory and context analysis |
Understanding how memory affects AI behavior: |
You can observe: |
- **What was retrieved** from memory per request |
- **What was stored** after each interaction |
- **How context influenced** agent choices |
- **Memory performance** and optimization opportunities |
### Revealing decision-making processes |
Modern observability tools open up the "black box" by making available: |
1. **Reasoning steps** - Why the agent made specific decisions |
2. **Context usage** - How previous context influenced responses |
3. **Tool selection logic** - Why certain tools were chosen |
4. **Error propagation** - How mistakes move around the system |
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