Home > Storage > PowerScale (Isilon) > Industry Solutions and Verticals > Hadoop and Big Data > Dell PowerScale: CDP 7.1.8 to 7.1.9-CHF1 Private Cloud Base Upgrade Process > Prerequisites
Check for the following prerequisites before beginning the upgrade process.
Dell Technologies and Cloudera recommend that you set up a sample data ingestion and benchmark incorporating the components listed below. Sample data ingestion will help you identify any issues with the upgrade. This step is mandatory so that you are familiar with the upgrade process and potential pitfalls.
Dell Technologies and Cloudera recommend that a subset or sample data of a known workload be used for any jobs or queries. Perform a baseline benchmark that can be recorded prior to the upgrade and rerun post-upgrade to help verify success and compare the performance of the pre-and post-upgrade setup.