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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Have you set retention in settings page?
cc: <@U01NT95GV8B>

I didn't set anything. Can you guide me like how can I solve this problem.

<https://signoz.io/docs/userguide/retention-period/>

Also, the time range on the top right corner is applied when the services are listed. so if your service didn’t send any data during that period it will not be shown.

Thank you so much. I think it is working now.

However I am facing another problem. I want to add multiple microservices into the signoz. I have followed the same procedure for my second app. However the second app is not showing in the services tab. What do I do?