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this is self-hosted signoz, when I try to test the email notification channel, show error

Hi , Does signoz have API's to create alerts?

After updating some helm-values of our helm-installation of signoz, we got the the following stacktrace:

@Prashant Shahi In the screenshot, it shows: "Your last call to change retention period to 7 days failed. Please try again." However, it wouldn't allow me to retry with the same time interval, and my storage consumption has changed. This makes me feel Signoz has made some changes to the retention of logs. Is this a bug? I have set up Signoz before, and this behavior can be reproduced once the software collects a decent amount of data already (15-20GB+).

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Hi Team, I am trying to upgrade using helm chart from v0.71 (App Version 0.73.0) to v0.76.1 (App Version 0.78.1). I followed the migration guide. However, encountered two issues. 1. Startup issue for Signoz pod where the "notification_channels" cannot be found. 2. OtelCollector is not starting > signoz {"level":"fatal","timestamp":"2025-04-10T084133.973Z","caller":"query-service/main.go:108","msg":"Failed to create signoz","error":"no such table: notification_channel","stacktrace":"main.main\n\t/home/runner/work/signoz/signoz/ee/query-service/main.go:108\nruntime.main\n\t/opt/hostedtoolcache/go/1.22.12/x64/src/runtime/proc.go > > We had to rollback to the previous version as this is blocking the upgrade. Can you please assist ?

Hi Team, I understand that role-based access control (RBAC) is not currently available in Signoz. Could you please let me know if there are any plans to include this feature in future updates?