ScyllaDB Open Source Release 4.1

ScyllaDB Open Source 4.1.0 introduces several improvements and updates, focusing on stability, bug fixes, and expanded functionality of the Alternator API. The release adds support for Red Hat Enterprise Linux 8, CentOS 8, and Debian 10, while retiring support for version 3.3. Key features include enhanced write isolation modes, access to system tables via the Alternator REST API, and linearizable lightweight transactions. It also introduces security enhancements like SSL Certificate Hot Reloading and various stability improvements, including fixes for integer overflow and race conditions. Additionally, the update disables the online loading of SSTable files in the main directory and continues testing Change Data Capture (CDC) for future releases. Other notable updates encompass improvements in compaction, performance, and monitoring, along with experimental features like Lua-based User Defined Functions (UDFs).