can we perform vertical scaling without stopping our instance?

Question

AHAMEDSATHICK MOHAMEDALI · Accepted Answer

❌ Usually, you cannot perform vertical scaling without stopping the instance. ✅ But there are a few exceptions depending on the resource type and platform. First, What Is Vertical Scaling? Vertical scaling = increasing or decreasing the power of a single instance (e.g., CPU, RAM, or storage of the same machine). 🧠 Example: Changing from t2.micro → t2.large in AWS EC2. Components You Can Scale Without Stopping Resource Can Scale Without Stop? Notes EBS Volume (Storage) ✅ Yes You can increase volume size, IOPS, or throughput while instance is running. Elastic IP / Security Groups ✅ Yes Network and security settings are dynamic. Elastic Load Balancer or Auto Scaling Group ✅ Yes These adjust capacity dynamically (horizontal scaling). Instance Type (CPU/RAM) ❌ No Requires stop/start.

can we perform vertical scaling without stopping our instance?

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