SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot problems, an open-source alternative to DataDog, NewRelic, etc.

SigNoz Community

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&gt; I've used the troubleshooting app to send some sample data to the localhost:4317 and it seems to be sucessful but nothing is showing up in the SigNoz
Troubleshooting binary only checks the availability of the OTLP OTLP GRPC endpoint. Though it sends a dummy sample data, it is rejected by the signoz otel-collector - hence does not show up in the UI.

You can use *Telemetrygen* instead.

<https://pkg.go.dev/github.com/open-telemetry/opentelemetry-collector-contrib/cmd/telemetrygen#section-readme>

```telemetrygen traces --otlp-insecure --otlp-endpoint &lt;IP-Address-of-SigNoz-OtelCollector&gt;:4317```

telemetryGen does work - data is ingested. But, I'm not seeing any input from my application - is there an easy way to generate some traffic inside an app container, just to check if traffic is coming through to SigNoz (an "hello world" for telemetry_)?

You can try flask or nodejs sample apps that we have in our github/docs