Availability vs Performance

With respect to applications, there are only four scenarios:

  1. Availability + Performance
  2. Availability + High Performance
  3. High Availability + Performance
  4. High Availability + High Performance

Of course, there is always an assumption of application integrity built-in to the app. But there is no such thing as 100% availability.

As always, it depends on what exactly do you mean by availability and performance, or more accurately,

  1. how much downtime can you afford and
  2. what kind of performance do you need

…to sustain your business, and maintain a balanced work-life.

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