Stop Duplicate Writes in Cassandra with Lightweight Transactions
Use Cassandra lightweight transactions with IF NOT EXISTS and SERIAL consistency to prevent duplicate inserts on a single partition.
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cassandraCassandra Lightweight Transactions: Paxos-Based Compare-and-Set in Practice
Learn how Cassandra Lightweight Transactions use Paxos to provide linearizable compare-and-set on a single partition, with a concrete UPDATE example, latency numbers, common pitfalls, and verification steps you can run on a 3‑node cluster.