ScyllaDB Monitoring Stack 3.3

ScyllaDB Monitoring Stack 3.3 is a newly released open-source monitoring solution for ScyllaDB Enterprise and ScyllaDB Open Source, leveraging Prometheus and Grafana to provide comprehensive monitoring capabilities. This version supports various ScyllaDB releases, including the upcoming ScyllaDB Open Source 4.0 and ScyllaDB Enterprise versions from 2018.x and 2019.x, as well as ScyllaDB Manager versions 1.4.x and 2.0.x, with enhancements like the inclusion of speculative execution details and LWT (Lightweight Transaction) panels to identify performance issues. The update also introduces new dashboards for ScyllaDB OS 4.0 and ScyllaDB Manager 2.1, alongside reorganized CPU and IO dashboards for improved data presentation. Additional features include new Latency alerts and support for Alternator users, as well as various bug fixes and optimizations to enhance system reliability and performance tracking.