ClustrixDB 9 is a major release that includes:
Support for multiple Zones: You can now deploy ClustrixDB across multiple fault tolerant zones (e.g. AWS availability zones, racks in a data center, etc). Once ClustrixDB is configured to be zone-aware, there is no data loss if a zone or zone(s) become unavailable.
Support for Generated Columns that can be calculated based on other columns.
Support for RHEL/ CentOS 7.4+. Clustrix recommends migrating to a cluster running RHEL/CentOS 7.4 Upgrading the OS version on nodes already running ClustrixDB is not supported. New installs only.
Non-root: Support for running as a user other than the root OS user. New CentOS 7.4 installs only.
Support for JSON (beta): including support for the JSON data type, indexing, and supporting functions.
as well numerous enhancements to performance, stability, and supportability.
Full release notes for ClustrixDB 9.0 here.