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#serial-consistency

Real questions. Useful conversations. Find the people who know your stack.

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Cards Compact list

Blog25K views1,803 votes0 replies2,539 following

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.

lightweight-transactions

cassandra cqlTasadduq Burneyowner35.3K rep · 26 Apr 2026, 18:30 UTC