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If you want to switch the storage type of your MySQL 8.0.42 RDS instance from GP2 to GP3, there’s good news—the process can be done without any downtime. When you make this change, your database will enter a “storage-optimization” state, but it will keep running smoothly during the entire process.
Typically, this storage upgrade takes a short amount of time, but in some cases, it might take up to a day or more. During this period, your database remains available, and users won’t experience any interruptions.
It’s important to keep a few things in mind when making this switch. First, after you’ve started the upgrade, you won’t be able to request another storage change—like adjusting size, performance, or storage type—for six hours. So, plan carefully.
Although this change is designed to be non-disruptive, it’s a good idea to perform the upgrade during a time when your database has the least traffic. This way, you can reduce the chance of any slight performance impacts.
Monitoring your database before and after the change is crucial. Keep an eye on performance metrics to confirm everything is working as expected. Also, always back up your database recently before making any modifications, just in case.
Switching to GP3 offers some clear benefits. It provides a baseline performance of 3,000 IOPS and 125 MB/s throughput included in the base price. If needed, you can also set additional IOPS and throughput to meet your specific performance requirements.
Overall, changing from GP2 to GP3 is a safe, straightforward process that you can do even in a production environment, with no downtime. It’s designed to be simple, quick, and reliable to help you improve your database performance efficiently.
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