Tag: architecture
All the articles with the tag "architecture".
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The observability bill
Observability isn't free — sampling, cardinality and retention are all decisions. How to buy the signal you need without paying for the noise you don't.
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Eventual consistency you can explain to the business
Eventual consistency sounds like an excuse for wrong data. In the language of money, letters and obligations, it's just how the business already works.
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“Exactly once” is a lie
“Exactly-once delivery” is a promise no broker can keep. What you actually get — and can build on — is at-least-once delivery plus idempotent consumers.
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The dual-write problem & the outbox pattern
Saving to your database and publishing a message look like one step. They're two, and the gap between them is where you lose data. The outbox pattern closes it.