Still running Apache Cassandra 3.11 or building applications based on rules from that era? The database has fundamentally shifted over the last few releases. Below you'll find some of the changes that have been made. You can read about all the new features in this article:
"Faster than Kafka" claims for Apache Iggy skip the real question: what does a successful write guarantee? Michał Matłoka digs into durability, thread-per-core internals, and why Iggy's replication (not yet shipped) changes the comparison.
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