Vertical scaling.
also: scale up · scaling up · scale verticallyMaking one machine bigger (more CPU, RAM, faster disks) to handle more load.
the two-minute refresher
- Example: 4 cores and 16 GB RAM become 64 cores and 512 GB.
- Simple: no code changes, no distributed-systems problems.
- Hard ceiling and rising cost, and the machine is still a single point of failure.
- Often the right first step: scale up until it hurts, then scale out.