We added Redis to fix slow API responses. Instead we got stale data, thundering herds, and a system that was harder to debug than the original problem.
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architecture
- A consulting story about a platform engineering initiative that checked every box on paper but collected dust in practice — and the uncomfortable reasons why.
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- A consulting story about a minor field rename in an internal API that cascaded into a production incident, and what we put in place to stop it from happening again.
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- A consulting war story about a PostgreSQL-to-MongoDB migration that went sideways, what we missed in planning, and the uncomfortable lessons about knowing when not to migrate.
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- A journey through implementing efficient sandbox environments using PostgreSQL schemas, exploring different approaches and their trade-offs.
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