Product Lock-in : Related, but different is being locked into a product. When migrating from one vendor's product to another vendor's, you are usually changing both vendor and product, so the two are easily conflated. Open source products may avoid the vendor lock-in, but they don't remove product lock-in: if you are using Kubernetes or Cassandra,
Did you know that focusing on performance can actually HURT your performance? This paradox is known as “The Performance Paradox.” If you care about performance, you should understand it and act accordingly.