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

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Did you configure the signoz otel collector to scrape that metrics endpoint?

```
     otelCollector:
       config:
         receivers:
           prometheus:
             config:
               global:
                 scrape_interval: 30s # Adjust this interval as needed
               # need 1 scape config per monitored cluster
               # each job is executed in parallel and the targets inside them are executed serially
               scrape_configs:
                 # monitor dev
                 - job_name: 'my-job'
                   static_configs:
                     - targets: ['prometheus_service_name:metrics_port']
                       labels:
                         customer: dev
         service:
           pipelines:
             metrics:
               receivers: [otlp, prometheus]
               processors: [batch]
               exporters: [clickhousemetricswrite]```


Yes, I have that setup (though I'm running an app locally rather than as a service). It's interesting, because if I start up the app after SigNoz, I can collect all metrics. It's only if I start of SigNoz after the app has already been running and collecting metrics that SigNoz does not seem to scrape them correctly.