AI Snips
Chapters
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Decide Transactions By Failure Impact
- Ask what breaks if an operation doesn't complete to decide whether to use a transaction.
- Prefer transactions when you update multiple objects or systems together to avoid inconsistent state.
Duplicate Data For Different Use Cases
- Duplicate data across systems when each system serves a distinct purpose like search or analytics.
- Use a single authoritative system of record and copy data to specialized stores as required.
ACID Is A Useful But Fuzzy Guarantee
- ACID definitions are decades old and vary across systems, so the acronym gives only a rough guarantee.
- Different databases and configs implement each letter differently in practice.
