What’s New in MongoDB 4.0? Transactions, Aggregation, and Platform Updates

MongoDB 4.0 has been officially released, bringing multi‑document ACID transactions, new aggregation operators, driver compatibility updates, enhanced security features, deprecation of the MMAPv1 storage engine, and broader platform support, while also offering free cloud monitoring for standalone and replica set deployments.

4.0MongoDBaggregation

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What’s New in MongoDB 4.0? Transactions, Aggregation, and Platform Updates

Java High-Performance Architecture

Dec 9, 2016 · Databases

Redis 4.0 Unveiled: New Module System, PSYNC Enhancements, LFU Cache & More

Redis 4.0 introduces a groundbreaking module system for custom data types, improves replication with tag‑based PSYNC, adds an LFU eviction policy, provides non‑blocking UNLINK deletion, and expands memory introspection commands, collectively enhancing performance, flexibility, and extensibility of this popular in‑memory database.

4.0LFUPSYNC

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Redis 4.0 Unveiled: New Module System, PSYNC Enhancements, LFU Cache & More