Upgrade Overview for Confluent for Kubernetes

A Confluent for Kubernetes (CFK) deployment includes:

• [1] Confluent for Kubernetes Operator
• [2] Confluent Platform component clusters

[1] and [2] are versioned differently. For the compatibility between [1] and [2], see the compatibility matrix.

You can upgrade either [1] or [2] independently from each other.

When you are planning for an upgrade of your CFK deployment, review the following so that you can chart the appropriate upgrade path:

• What are your current versions of CFK and Confluent Platform?
• The release notes of later versions of both CFK and Confluent Platform, to see which features and fixes you are interested in:
  • Confluent for Kubernetes Release Notes
  • Confluent Platform Release Notes
• The support matrix for CFK and Confluent Platform.

The following upgrade paths are supported:

• Upgrade Confluent Platform only

  Make sure that the version of CFK you are running supports both the starting and ending versions of Confluent Platform.

• Upgrade CFK only

  Make sure that the CFK version that you are upgrading to supports the Confluent Platform version you are running.

• Upgrade both Confluent Platform and CFK:

  Step 1. Upgrade Confluent for Kubernetes.

  Step 2. Upgrade Confluent Platform.

To upgrade from Confluent Operator 1.x to Confluent for Kubernetes, see Migrate to Confluent for Kubernetes.