How YugabyteDB’s UPSERT Works Under the Hood and When to Be Careful
YugabyteDB’s UPSERT works like PostgreSQL’s INSERT … ON CONFLICT, but it’s implemented as a single Paxos proposal per key. This gives ACID guarantees across shards, yet high contention can spike latency. Learn how to use it safely, verify it, and know the trade‑offs.
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