Increase your system's reliability and reduce its memory footprint by upgrading the internal Cassandra database to version 3.11.3.
By upgrading Cassandra to version 3.11.3 on the Decision Data Store (DDS) nodes in your system, you ensure that your system runs against a reliable and fully-supported database.
Pega offers a procedure for seamlessly upgrading the database without any downtime. Use the following diagram to learn about how you can upgrade to Cassandra 3.11.3:
For more information on how to manually upgrade to Cassandra 3.11.3, see the Pega Platform 8.3 Upgrade Guide for your server and database at Deploy Pega Platform.