# AWS MemoryDB optimization | Cloud Efficiency Hub

Canonical: https://www.pointfive.co/efficiency-hub/cloud-services/aws-memorydb

2 documented AWS MemoryDB cost inefficiencies, each with how to detect it and how to fix it.

[Cloud Efficiency Hub](https://www.pointfive.co/efficiency-hub) 

2 documented AWS MemoryDB cost inefficiencies, each with how to detect it and how to fix it.

## 2 inefficiencies

[All services](https://www.pointfive.co/efficiency-hub#browse-by-service)

- AWS MemoryDB  CER-0166

### [Suboptimal Engine Selection in MemoryDB](https://www.pointfive.co/efficiency-hub/inefficiencies/suboptimal-engine-selection-in-memorydb)

MemoryDB now supports Valkey, a drop-in replacement for Redis OSS offering significant cost and performance advantages. However, many deployments still default to Redis OSS, incurring higher hourly costs and unnecessary data write charges....

Databases

- AWS MemoryDB  CER-0374

### [Inactive MemoryDB Cluster](https://www.pointfive.co/efficiency-hub/inefficiencies/inactive-memorydb-cluster)

MemoryDB clusters are billed for every node, primary and replica, for every hour the cluster exists, whether or not any client is connected. Clusters created for a proof of concept, a load test, a migration rehearsal or a feature that was...

Databases

## More AWS services

- [AWS EC2  23](https://www.pointfive.co/efficiency-hub/cloud-services/aws-ec2)

- [AWS RDS  19](https://www.pointfive.co/efficiency-hub/cloud-services/aws-rds)

- [AWS S3  15](https://www.pointfive.co/efficiency-hub/cloud-services/aws-s3)

- [AWS Lambda  12](https://www.pointfive.co/efficiency-hub/cloud-services/aws-lambda)

- [AWS EBS  10](https://www.pointfive.co/efficiency-hub/cloud-services/aws-ebs)

- [AWS CloudWatch  8](https://www.pointfive.co/efficiency-hub/cloud-services/aws-cloudwatch)

- [AWS EKS  8](https://www.pointfive.co/efficiency-hub/cloud-services/aws-eks)

- [AWS ElastiCache  8](https://www.pointfive.co/efficiency-hub/cloud-services/aws-elasticache)

- [AWS DynamoDB  7](https://www.pointfive.co/efficiency-hub/cloud-services/aws-dynamodb)

- [AWS Bedrock  6](https://www.pointfive.co/efficiency-hub/cloud-services/aws-bedrock)

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Source: the public page above. Product screenshots and illustrative interfaces are examples, not live customer data.