According to DB instance billing for Amazon RDS, "GB-Month" refers to Backup storage:
Backup storage (per GiB per month) – Backup storage is the storage that is associated with automated database backups and any active database snapshots that you have taken. Increasing your backup retention period or taking additional database snapshots increases the backup storage consumed by your database. Per second billing doesn't apply to backup storage (metered in GB-month).
If you go to "Modify" your RDS DB instance, you can modify the retention period to anything between 0 days to 35 days.
Same Issue here. I created a MYSQL DB with free tier configuration.
At the start, the automatic backup was enabled with a retention of 7 days. But when I saw that it was generating costs I disabled this. Now I have no backups configured or saved and my costs are getting higher daily.
What else I can do instead of not using RDS for my project? I am testing a solution now and these hiding costs that have RDS are telling me that I should use RDS?
I'm experiencing the same issue. As it is mentioned here, I have 0 days configured for the backup retention period. However, the storage still increasing at a rate of 1.5 GB per day.
Just to clarify, I have configured all the services to be within the free tier. I have no clue what's going on and I don't even know what to do to stop the consumption.
Apart from that, I also don't know which storage is the one that has been increasing (data or backup storage) because the AWS platform only says that the increasing is in the RDS Storage (it doesn't distinguish between both types of storages).
Thank you in advance!
Hi - From the FAQs: https://aws.amazon.com/rds/faqs/
The AWS Free Tier for Amazon RDS offer provides free use of Single-AZ Micro DB instances running MySQL, MariaDB, PostgreSQL, Oracle ("Bring-Your-Own-License (BYOL)" licensing model) and SQL Server Express Edition. The free usage tier is capped at 750 instance hours per month. Customers also receive 20 GB of General Purpose (SSD) database storage and 20 GB of backup storage for free per month.
Backup storage is the storage associated with your automated database backups and any customer-initiated DB snapshots you have in a region. Increasing your backup retention period or taking DB snapshots increases the backup storage consumed by your account.
Important points to take in consideration: https://aws.amazon.com/rds/mysql/pricing/?pg=pr&loc=2
- Backup storage is allocated by region. Total backup storage space is equivalent to the sum of the storage for all backups in that region.
- Moving a DB snapshot to another region increases backup storage in the destination region. You can move a DB Snapshot to another region manually by using DB Snapshot Copy or automatically by enabling Cross Region Automated Backups.
- Multi-AZ and Single-AZ configurations are treated the same from a backup storage perspective.
- After the DB instance is terminated, backup storage is billed at $0.095 per GiB-month.
- Additional backup storage is $0.095 per GiB-month.
As you can see on the last 2 points above, the back up storage is billed $0.0095 per GiB-month after a DB instance is terminated. This means that the 20 GB free back up storage of the free tier will be applied as free as long as the back up storage is attached to a running instance.
Adjusting your Backup retention period and cleaning up the backup storage after terminating your DB instance will reduce your storage cost.
I'm having the exactly same issue. Has anyone found a solution to this?
I have the same problem. Exploiting charges by generating unfamiliar usage while claiming to be free is equivalent to fraud.
I'm having the exactly same issue. Has anyone found a solution to this? It's really smells like a fraud
I found the underlying problem.
When trying to create an RDS in MySQL, I found that the "Allocating storage" is set to 200 (GiB) by default. This is clearly a setting that is maliciously bullying the free tier.
And I found that the DB needs to be recreated because I can't make the allocation smaller on the change screen.
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