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Managing Cassandra as a store for decisioning data

Updated on May 17, 2024

When you operate your application in an on-premises or client-managed cloud environment, you need to install and operate an external Cassandra cluster, and connect it to Pega Platform as the underlying storage system for the Decision Data Store.

In earlier Pega Platform versions, it was possible to configure a Decision Data Store node cluster that used a Cassandra database in embedded mode. Starting in Pega Platform version 8.6, the use of an internal Cassandra database is deprecated. On-premises and client-managed cloud systems that have been updated from earlier versions of Pega Platform can continue to use Cassandra in embedded mode. However, to ensure future compatibility, do not create any new environments using embedded Cassandra.

Note: In Pega Cloud environments, Pega configures and maintains the Cassandra database for you. No action is required.

The following chapter provides guidelines for on-premises and client-managed cloud environments on how to manage, maintain, and run Cassandra nodes as a repository for analytical data. It also provides procedures for optimizing Cassandra operations and lists the tools that you can use to perform such optimizations in Pega Platform and outside.

Information on Pega alerts for Cassandra applies to any type of environment.

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