Alerts for RDS Allocated Storage above certain threshold

We want to set up an alert for when the allocated storage on an RDS instance breaches a certain threshold due to auto-scaling. However, we cannot find a CloudWatch metric that exposes the current allocated storage. There seems to be only the metric for free storage space.

Could anyone suggest another approach to achieve this?

Antonio_Lagrotteria 전문가
일 년 전
Would FreeStorageSpace metric not be enough? https://aws.amazon.com/premiumsupport/knowledge-center/rds-out-of-storage/
chamath-vetstoria
일 년 전
Not quite. We want to know when the allocated storage expands above a certain limit for cost-optimization purposes. FreeStorageSpace won't help us in this case.

주제

마이그레이션 및 현대화 분석 데이터베이스 관리 및 거버넌스

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아마존 Relational Database Service 아마존 CloudWatch

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English

chamath-vetstoria

질문됨 일 년 전679회 조회

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You could trigger a Lambda from RDS DB Instance events for storage modification, then in the Lambda query the DB Instance storage size and either alert to SNS directly from there or write a custom metric value and set up an alarm.

전문가

skinsman

답변함 일 년 전

chamath-vetstoria
일 년 전
Thanks, yes we will follow this approach by triggering a Lambda function on the RDS-EVENT-0218 (autoscaling completed) event.

Alerts for RDS Allocated Storage above certain threshold

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