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sedavidw
sedavidw

Reputation: 11741

Storing data on EC2 vs S3 in AWS

I'm fairly new to AWS and am having trouble understanding what the best practice should be for hosting a product I'm developing...

I have a tool I plan on running on an EC2 instance but it only needs to run a couple of times a year, the rest of the time I can have the instance stopped and not incur charges. However the product utilizes quite a bit of data (approx 15 - 25 GB depending on the run). I understand that S3 is meant for storing data long term. But is there any reason why I can't just leave the data on an EC2 (even when it's stopped). Or do I have to do manual copies from S3 every time I want to execute a run

Upvotes: 0

Views: 442

Answers (1)

datasage
datasage

Reputation: 19573

Even if the instance is off, you are still incurring charges for the EBS volumes. S3 also has the advantage of being somewhat more durable.

It would probably be a good idea to back up your data or snapshot your volume to s3 as a precaution, but I would not worry about transferring data back and forth.

Upvotes: 1

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