Project Circe March Update

In March 2021, ScyllaDB released its Open Source 4.4 version as part of Project Circe, which aims to enhance the database's durability, stability, elasticity, and performance. Key improvements include an upgraded Seastar I/O scheduler that allows for better resource allocation across shards, enabling each shard to utilize the entire disk if necessary. Additionally, shard-aware drivers for languages like Java and Go have been updated to support Change Data Capture (CDC), with plans to extend this feature to other drivers such as Python and Rust. Manageability enhancements include the introduction of a ScyllaDB Monitoring Advisor and a new API for ScyllaDB Manager, which allows users to set maintenance windows. Performance optimizations have also been implemented, such as reducing read amplification and improving the efficiency of repair processes, compaction strategies, and latency reduction methods. These updates are designed to create a more robust and efficient database experience for users.