Reliability is a product feature

Sep 18, 2024 · 5 min read

Reliability is often framed as an internal concern, something to be addressed after features ship. In reality, reliability directly shapes user trust and long-term product viability.

Users rarely praise reliability when it works, but they always remember when it fails.

Failures compound faster than features

Each incident erodes confidence. The cost is not just downtime but the cognitive load placed on users and teams to work around instability.

On-call reality shapes architecture

Systems designed without considering on-call support tend to push complexity onto humans. Good reliability design reduces the frequency and blast radius of incidents.

Boring systems scale teams

The most effective teams invest in simplicity, clear ownership, and predictable failure modes. Boring systems allow teams to move faster over time.

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