# DEMO
```mermaid
flowchart LR
SDK[Python SDK] -->|logs OTLP/HTTP| FB[Fluent Bit]
SDK -->|metrics Prometheus remote_write| FB
FB -->|logs| VL[VictoriaLogs]
FB -->|metrics remote_write| VM[VictoriaMetrics]
VM -->|query| GF[Grafana]
VL -->|query| GF
```
# 实际
```mermaid
flowchart TD
SDK[Python SDK]
GW[Gateway
Auth 鉴权
Rate Limit 限流]
FB[Fluent Bit]
SDK -->|logs / Prometheus remote_write metrics + token| GW
GW -->|logs / metrics| FB
FB -->|logs| VL[VictoriaLogs cluster]
FB -->|metrics remote_write| VM[VictoriaMetrics]
VM -->|query| GF[Grafana]
VL -->|query| GF
```