Upgrading DataStax Enterprise

Upgrade instructions for DataStax Enterprise.

This section describes how to upgrade DataStax Enterprise.

Attention: Read and understand these instructions before upgrading. Carefully reviewing the planning and upgrade instructions can prevent errors and data loss.
DSE 5.1 Search Customers
Because of differences in the process scheduler, memory models, and tuning capabilities between version 5.1 and 6.X, DataStax recommends that customers using DSE 5.1 Search remain on version 5.1.

To upgrade from any version of DataStax Community to DataStax Enterprise, follow the instructions in Upgrading Apache Cassandra or DDAC to DataStax Enterprise.