How to mix cloudwatch metric with custom datasource

Grafana Cloudwatch
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  • What Grafana version and what operating system are you using?
    11.1.14
  • What are you trying to achieve?
    Sometimes, CloudWatch metrics have null data due to timeouts. I want to add another data source to backfill the missing data.

I have custom metrics that CloudWatch should receive every minute, but I noticed null data for a few minutes in the CloudWatch console. I rechecked, and the data was fine during that time. I would like to fill in the missing data. Since I can’t modify what I receive from the CloudWatch API, how can I achieve this to fill the gaps?

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For example, a few default metrics had null data, but the system was functioning fine during that time. What’s the best way to use a mixed data source to backfill that missing data from cloudwatch plugin?

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