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Fran Soto's avatar

Nice article!

I'm curious on the decision from our two engineers to handle the database on their own for many of the initial phases instead of offloading to a fully managed database service in AWS (DDB or RDS depending on needs).

What could be the reasons they decided to host them in EC2 instances? Costs? A particular DB technology not offered as a service in AWS?

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Neo Kim's avatar

RDS should be enough in this context. I forgot to mention it.

Thanks, Fran.

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Jakub Nurski's avatar

To be fair, RDS is more expensive than self-hosting DB in EC2.

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Ram's avatar

How much will be the difference u think @jakub

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Jakub Nurski's avatar

The cost difference can be significant, with self-hosting on EC2 potentially saving 40-60% compared to RDS, depending on the instance type and workload. However, it requires more management effort:

https://www.simform.com/blog/rds-vs-ec2/

https://medium.com/amazon-web-services/by-using-postgresql-on-ec2-save-40-to-60-cost-over-aws-rds-postgresql-e96afdd2210b

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