ScyllaDB Monitoring Stack Release 3.0

ScyllaDB Monitoring Stack 3.0 has been released, offering an open-source solution for monitoring ScyllaDB Enterprise and Open Source versions, using Prometheus and Grafana as its foundation. This new release supports multiple versions of ScyllaDB and introduces several enhancements, including a general reorganization of dashboards, updated metrics and labels, and the removal of certain configuration files to streamline deployment customization. Notably, the update involves a switch from Grafana 5 to Grafana 6, providing access to newer features, and from Python 2 to Python 3 due to the former's impending end of life. Additional improvements include an upgrade from Prometheus 2.7.2 to 2.10, the introduction of new default alerts for disk space and node status changes, and real-time display of each node’s version in the Nodes table. Users are advised to follow the upgrade guide closely due to potential backward compatibility issues and changes in node_exporter requirements.