Why the LoginFailures metric showing no data for RDS MySQL instance?


I have added the CloudWatch metric LoginFailures for my Aurora MySQL instances and both instances are showing metric data when trying to login to both MySQL servers using incorrect logins.

Then I tried to add the same metric to my RDS MySQL instances and no metric data is appearing. Does RDS MySQL not support the LoginFailures metric? Or do I have to configure something to make it work?

asked 5 years ago659 views
1 Answer

That appears to be an Aurora MySQL-specific metric. In general, for RDS the Cloudwatch metrics reflect the features of the management service and infrastructure but not the database engine. To observe the database engine-specific metrics you would use the tooling for that specific engine. See https://aws.amazon.com/premiumsupport/knowledge-center/failed-login-rds-mysql/ for an example.

For Aurora MySQL and Aurora PostgreSQL, since Amazon develops those engines in can modify them to emit metrics directly into its monitoring infrastructure.

answered 5 years ago

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