RisingWave — потоковая аналитика в реальном времени

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RisingWave is an open-source streaming database: it computes results continuously as new events arrive, rather than on request. Reach for it when numbers are needed in real time instead of an hourly report: a live orders dashboard, fraud detection at the moment of a transaction, product metrics right now, features for agents and recommendations. This is usually assembled from a stack of systems — change capture from a database, a message queue, a processing engine, a serving database; RisingWave replaces that whole stack with one product. You write familiar SQL and the system keeps the result current with every new event from PostgreSQL, MySQL, Kafka and other sources. It is PostgreSQL-compatible on the wire, so familiar tools connect to it. For ordinary analytics over historical data, columnar databases are the pick — RisingWave's strength is continuity.