Upgrade Confluent Platform

• Overview
  • Step 0: Prepare for the upgrade
  • Step 1: Upgrade ZooKeeper
  • Step 2: Upgrade Kafka brokers
  • Step 3: Upgrade Confluent Platform components
  • Step 4: Update configuration files
    • Connect Log Redactor configuration
    • Confluent license
    • Replication factor for Self-Balancing Clusters
    • Confluent Log Redactor
  • Step 5: Enable Health+
  • Step 6: Rebuild applications
  • Other Considerations
• Upgrade Confluent Platform
  • Preparation
  • Upgrade procedures
    • Upgrade ZooKeeper
      • Rolling upgrade of ZooKeeper
      • The AdminServer
      • Four letter words whitelist in ZooKeeper
      • Upgrade issue with missing snapshot file
    • Upgrade Kafka brokers
      • Steps to upgrade for any fix pack release
      • Steps for upgrading to 7.5.x (ZooKeeper mode)
      • Steps for upgrading to 7.5.x (KRaft-mode)
      • Confluent license
      • Advertised listeners
      • Security
      • Replication factor for Self-Balancing Clusters
      • Upgrade DEB packages using APT
      • Upgrade RPM packages by using YUM
      • Upgrade using TAR or ZIP archives
    • Upgrade Schema Registry
    • Upgrade Confluent REST Proxy
    • Upgrade Kafka Streams applications
    • Upgrade Kafka Connect
      • Upgrade Kafka Connect standalone mode
      • Upgrade Kafka Connect distributed mode
    • Upgrade ksqlDB
    • Upgrade Confluent Control Center
    • Upgrade other client applications