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  • Get Started Free
  • Stream
      Confluent Cloud

      Fully-managed data streaming platform with a cloud-native Kafka engine (KORA) for elastic scaling, with enterprise security, stream processing, governance.
      Confluent Platform

      An on-premises enterprise-grade distribution of Apache Kafka with enterprise security, stream processing, governance.
  • Connect
      Managed

      Use fully-managed connectors with Confluent Cloud to connect to data sources and sinks.
      Self-Managed

      Use self-managed connectors with Confluent Platform to connect to data sources and sinks.
  • Govern
      Managed

      Use fully-managed Schema Registry and Stream Governance with Confluent Cloud.
      Self-Managed

      Use self-managed Schema Registry and Stream Governance with Confluent Platform.
  • Process
      Managed

      Use Flink on Confluent Cloud to run complex, stateful, low-latency streaming applications.
      Self-Managed

      Use Flink on Confluent Platform to run complex, stateful, low-latency streaming applications.
Stream
Confluent Cloud

Fully-managed data streaming platform with a cloud-native Kafka engine (KORA) for elastic scaling, with enterprise security, stream processing, governance.
Confluent Platform

An on-premises enterprise-grade distribution of Apache Kafka with enterprise security, stream processing, governance.
Connect
Managed

Use fully-managed connectors with Confluent Cloud to connect to data sources and sinks.
Self-Managed

Use self-managed connectors with Confluent Platform to connect to data sources and sinks.
Govern
Managed

Use fully-managed Schema Registry and Stream Governance with Confluent Cloud.
Self-Managed

Use self-managed Schema Registry and Stream Governance with Confluent Platform.
Process
Managed

Use Flink on Confluent Cloud to run complex, stateful, low-latency streaming applications.
Self-Managed

Use Flink on Confluent Platform to run complex, stateful, low-latency streaming applications.
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CONFLUENT PLATFORM

  • Overview
  • Get Started
    • Platform Overview
    • Quick Start
    • Learn More About Confluent and Kafka
    • Tutorial: Set Up a Multi-Broker Cluster
    • Scripted Confluent Platform Demo
      • Overview
      • Deploy Confluent Platform Environment
      • Deploy Hybrid Confluent Platform and Cloud Environment
      • Troubleshoot and Stop the Demo
  • Install and Upgrade
    • Overview
    • System Requirements
    • Supported Versions and Interoperability
    • Install Manually
      • ZIP and TAR
      • Ubuntu and Debian
      • RHEL, CentOS, Rocky, & Amazon Linux
      • Docker
        • Install
        • Configure
        • Image Reference
        • Security
        • Developer Guide
      • Configure Automatic Startup and Monitoring
    • Deploy with Ansible Playbooks
    • Deploy with Confluent for Kubernetes
    • License
    • Upgrade
      • Overview
      • Upgrade the Operating System
      • Confluent Platform Upgrade Procedure
    • Installation Packages
    • Migrate to Confluent Platform
    • Migrate to and from Confluent Server
    • Migrate from Confluent Server to Confluent Kafka
    • Migrate from ZooKeeper to KRaft
    • Installation FAQ
  • Build Client Applications
    • Overview
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      • Consumer
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      • Schemas, Serializers, and Deserializers
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    • Client Guides
      • Python
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      • Java Client
    • Client Examples
      • Overview
      • Python Client
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      • C++ Client
      • Java
      • Spring Boot
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      • kafkacat
      • Kotlin
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    • Kafka Client APIs
      • Python Client API
      • .NET Client API
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      • C++ Client API
      • Java Client API
    • Deprecated Client APIs
    • VS Code Extension
      • Overview
      • Quick Start
      • Connect to a Kafka Cluster
    • MQTT Proxy
      • Overview
      • Secure Communication
      • Configure
  • Build Kafka Streams Applications
    • Overview
    • Quick Start
    • Streams API
    • Tutorial: Streaming Application Development Basics on Confluent Platform
    • Connect Streams to Confluent Cloud
    • Concepts
    • Architecture
    • Examples
    • Developer Guide
      • Overview
      • Write a Streams Application
      • Configure
      • Run a Streams Application
      • Test
      • Domain Specific Language
      • Name Domain Specific Language Topologies
      • Optimize Topologies
      • Processor API
      • Data Types and Serialization
      • Interactive Queries
      • Memory
      • Manage Application Topics
      • Security
      • Reset Streams Applications
    • Build Pipeline with Connect and Streams
    • Operations
      • Plan and Size
      • Monitor
    • Upgrade
    • Frequently Asked Questions
    • Javadocs
    • ksqlDB
      • Overview
      • Quick Start
      • Install
      • Operate
      • Upgrade
      • Concepts
        • Overview
        • Kafka Primer
        • Connectors
        • Events
        • Functions
        • Lambda Functions
        • Materialized Views
        • Queries
        • Streams
        • Stream Processing
        • Tables
        • Time and Windows in ksqlDB Queries
      • How-to Guides
        • Overview
        • Control the Case of Identifiers
        • Convert a Changelog to a Table
        • Create a User-defined Function
        • Manage Connectors
        • Query Structured Data
        • Test an Application
        • Update a Running Persistent Query
        • Use Variables in SQL Statements
        • Use a Custom Timestamp Column
        • Use Lambda Functions
      • Develop Applications
        • Overview
        • Joins
          • Overview
          • Join Streams and Tables
          • Partition Data
          • Synthetic Keys
        • Reference
          • Overview
          • Aggregate Functions
          • ALTER SYSTEM
          • ASSERT SCHEMA
          • ASSERT TOPIC
          • CREATE CONNECTOR
          • CREATE STREAM AS SELECT
          • CREATE STREAM
          • CREATE TABLE AS SELECT
          • CREATE TABLE
          • CREATE TYPE
          • DEFINE
          • DESCRIBE CONNECTOR
          • DESCRIBE FUNCTION
          • DESCRIBE
          • DROP CONNECTOR
          • DROP STREAM
          • DROP TABLE
          • DROP TYPE
          • EXPLAIN
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          • INSERT INTO
          • INSERT VALUES
          • Operators
          • PAUSE
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          • Quick Reference
          • RESUME
          • RUN SCRIPT
          • Scalar Functions
          • SELECT (Pull Query)
          • SELECT (Push Query)
          • SHOW CONNECTORS
          • SHOW FUNCTIONS
          • SHOW PROPERTIES
          • SHOW QUERIES
          • SHOW STREAMS
          • SHOW TABLES
          • SHOW TOPICS
          • SHOW TYPES
          • SHOW VARIABLES
          • SPOOL
          • Table Functions
          • TERMINATE
          • Type Coercion
          • UNDEFINE
        • REST API
          • Overview
          • REST API Reference
          • Cluster Status
          • Info
          • Is Valid Property
          • Run SQL statements
          • Query a Stream
          • Get statement status
          • Streaming API endpoint
          • Terminate a cluster
        • Java Client
      • Operate and Deploy
        • Overview
        • Installation
          • Overview
          • Install ksqlDB
          • Install with Docker Containers
          • Check Server Health
          • Configure ksqlDB Server
          • Configure Security
          • Connect the CLI to a Server
          • Integrate with Schema Registry
          • Upgrade ksqlDB
          • Legacy Documentation
        • ksqlDB Architecture
        • Capacity Planning
        • Changelog
        • Processing Guarantees
        • High Availability
        • High Availability Pull Queries
        • KSQL versus ksqlDB
        • Logging
        • Manage Metadata Schemas
        • Monitoring
        • Performance Guidelines
        • Schema Inference With ID
        • Schema Inference
      • Reference
        • Overview
        • SQL
          • Overview
          • SQL Keywords and Operators
          • Use DDL to Structure Data
          • Data Types
          • Syntax and Lexical Structure
          • Time Units and Formats
        • Metrics
        • Migrations Tool
        • Processing Log
        • Serialization Formats
        • Server Configuration Parameters
        • User-defined functions (UDFs)
      • Run ksqlDB in Confluent Cloud
      • Connect Local ksqlDB to Confluent Cloud
      • Connect ksqlDB to Control Center
      • Secure ksqlDB with RBAC
      • Frequently Asked Questions
      • Troubleshoot
      • Tutorials and Examples
        • Overview
        • How-to Guides
          • Overview
          • Control the Case of Identifiers
          • Convert a Changelog to a Table
          • Create a User-defined Function
          • Manage Connectors
          • Query Structured Data
          • Test an Application
          • Update a Running Persistent Query
          • Use Variables in SQL Statements
          • Use a Custom Timestamp Column
          • Use Lambda Functions
        • Materialized View
        • Streaming ETL Pipeline
        • Event-Driven Microservice
        • Build Clickstream Data Analysis Pipeline
  • Confluent Private Cloud
    • Overview
    • Confluent Private Cloud Gateway
    • Intelligent Replication
      • Overview
      • Enable Intelligent Replication
      • Monitor Intelligent Replication
      • Configure Intelligent Replication
      • Troubleshoot Intelligent Replication
    • Release Notes for Confluent Private Cloud
  • Confluent REST Proxy for Apache Kafka
    • Overview
    • Quick Start
    • API Reference
    • Production Deployment
      • Overview
      • Deploy REST Proxy for Confluent Server
        • Configure REST Admin APIs
        • Configure Security
      • Deploy a Standalone REST Proxy node
        • Overview
        • Configure
        • Monitor
        • Secure REST Proxy
    • Connect to Confluent Cloud
  • Process Data With Flink
    • Overview
    • Installation and Upgrade
      • Overview
      • Versions and Interoperability
      • Install with Helm
      • Configure Authentication
      • Configure Authorization
      • Configure Encryption
      • Upgrade
    • Get Started
      • Get Started with Applications
      • Get Started with Statements
    • Architecture and Features
      • Overview
      • Understand Flink
      • Confluent Manager for Apache Flink
    • Configure Environments, Catalogs and Compute Pools
      • Overview
      • Manage Environments
      • Manage Catalogs and Databases
      • Manage Compute Pools
      • Configure Access Control
    • Deploy and Manage Flink Jobs
      • Overview
      • Applications
        • Overview
        • Create Applications
        • Manage Applications
        • Application Instances
        • Events
        • Package Flink Jobs
        • Package PyFlink Jobs
        • Supported Features
      • SQL Statements
        • Overview
        • Create Statements
        • Manage Statements
        • Use Interactive Shell
        • Features and Support
      • Manage Savepoints
      • Job Configuration
        • Overview
        • Logging
        • Metrics
        • Security
    • Disaster Recovery
    • Clients and APIs
      • Overview
      • Use REST APIs
      • Use CLI Operations
      • Use Confluent for Kubernetes
      • Use Control Center with Confluent Manager for Apache Flink
    • How-to Guides
      • Overview
      • Checkpoint to S3
    • FAQ
    • Get Help
    • What’s New
  • Connect to External Services
    • Overview
    • Get Started
    • Connectors
    • Confluent Hub
      • Overview
      • Component Archive Specification
      • Contribute
    • Connect on z/OS
    • Install
    • License
    • Supported
      • Supported Self-Managed Connectors
      • Supported Connector Versions in Confluent Platform 8.1
    • Preview
    • Configure
    • Monitor
    • Logging
    • Connect to Confluent Cloud
    • Developer Guide
    • Tutorial: Moving Data In and Out of Kafka
    • Reference
      • Kafka Connect Javadocs
      • REST interface
      • Kafka Connect Worker Configuration Properties for Confluent Platform
      • Connector Configuration Properties for Confluent Platform
    • Transform
    • Custom Transforms
    • Security
      • Kafka Connect Security Basics
      • Kafka Connect and RBAC
        • Get Started With RBAC and Kafka Connect
        • Configure RBAC for a Connect Cluster
        • Configure RBAC for a Connect Worker
        • RBAC for self-managed connectors
        • Connect Secret Registry
        • Example Connect role-binding sequence
      • Manage CSFLE in Confluent Cloud for Self-Managed Connectors
      • Manage CSFLE in Confluent Platform for Self-Managed Connectors
      • Manage CSFLE for partner-managed connectors
    • Design
    • Add Connectors and Software
    • Install Community Connectors
    • Upgrade
    • Troubleshoot
    • FileStream Connectors
    • FAQ
  • Manage Schema Registry and Govern Data Streams
    • Overview
    • Get Started with Schema Registry Tutorial
    • Install and Configure
      • Install
      • Configure Schema Registry
      • Configure Clients to Schema Registry
      • Deploy in Production
      • Deployment Architectures
      • Use Schema Registry to Migrate Schemas in Confluent Platform
    • Fundamentals
      • Concepts
      • Schema Evolution and Compatibility
      • Schema Formats
        • Serializers and Deserializers Overview
        • Avro
        • Protobuf
        • JSON Schema
      • Data Contracts
    • Manage Schemas
      • Overview
      • Schema Contexts
      • Schema Linking
      • Validate Schema IDs
      • Monitor
      • Delete Schemas
      • Integrate Schemas from Connectors
    • Security
      • Overview
      • Configure Role-Based Access Control
      • Configure OAuth
      • Schema Registry Security Plugin
        • Overview
        • Install
        • Schema Registry Authorization
          • Operation and Resource Support
          • Role-Based Access Control
          • ACL Authorizer
          • Topic ACL Authorizer
      • Passwordless authentication for Schema Registry
    • Reference
      • Overview
      • Maven Plugin
      • API
      • API Examples
    • FAQ
  • Manage Security
    • Overview
    • Deployment Profiles
    • Compliance
      • Overview
      • Audit Logs
        • Audit Logs Concepts
        • Auditable Events
        • Configure Audit Logs Using Confluent CLI
        • Configure MDS to Manage Centralized Audit Logs
        • MDS API Audit Log Configuration
        • Use Properties Files to Configure Audit Logs in Confluent Platform
      • Manage Secrets
        • Overview
        • Tutorial: Protect Secrets
    • Authenticate
      • Overview
      • Mutual TLS
        • Overview
        • Use Principal Mapping
      • OAuth/OIDC
        • Overview
        • Claim Validation for OAuth JWT tokens
        • OAuth/OIDC Service-to-Service Authentication
        • Configure Confluent Server Brokers
        • Configure Confluent Schema Registry
        • Configure Metadata Service
        • Configure Kafka Connect
        • Configure Confluent Control Center
        • Configure REST Proxy
        • Configure Truststores for TLS Handshake with Identity Providers
        • Migrate from mTLS to OAuth Authentication
        • Use OAuth with ksqlDB
      • Multi-Protocol Authentication
        • Overview
        • Use AuthenticationHandler Class
      • REST Proxy
        • Overview
        • Principal Propagation for mTLS
      • SSO for Confluent Control Center
        • Overview
        • Configure OIDC SSO for Control Center
        • Configure OIDC SSO for Confluent CLI
        • Troubleshoot
      • HTTP Basic Authentication
        • Overview
      • SASL
        • Overview
        • SASL/GSSAPI (Kerberos)
          • Overview
        • SASL/OAUTHBEARER
          • Overview
          • Configure Confluent Server Brokers
          • Configure Clients
          • Configure UAMI
        • SASL/PLAIN
          • Overview
        • SASL/SCRAM
          • Overview
      • LDAP
        • Overview
        • Configure Kafka Clients
      • Delegation Tokens
        • Overview
    • Authorize
      • Overview
      • Access Control Lists
        • Overview
        • Manage ACLs
      • Role-Based Access Control
        • Overview
        • Quick Start
        • Predefined RBAC Roles
        • Cluster Identifiers
        • Example of Enabling RBAC
        • Enable RBAC on Running Cluster
        • Use mTLS with RBAC
        • Configure mTLS with RBAC
        • Deployment Patterns for mTLS with RBAC
        • Client Flow for OAuth-OIDC using RBAC
        • Migrate LDAP to OAuth for RBAC
        • Migrate LDAP to mTLS for RBAC
        • RBAC using REST API
        • Use Centralized ACLs with MDS for Authorization
        • Request Forwarding with mTLS RBAC
        • Deploy Secure ksqlDB with RBAC
        • Metadata API
      • LDAP Group-Based Authorization
        • Configure LDAP Group-Based Authorization
        • LDAP Configuration Reference
        • Tutorial: Group-Based Authorization Using LDAP
        • Configure Confluent Server Authorizer in Confluent Platform
    • Protect Data
      • Overview
      • Protect Data in Motion with TLS Encryption
      • Protect Sensitive Data Using Client-side Field Level Encryption
        • Overview
        • Quick Start
        • Use Client-side Field Level Encryption
        • Configuration Settings
        • Manage Encryption Keys
        • Implement a Custom KMS Driver
        • Code examples
        • Troubleshoot
        • FAQ
      • Redact Confluent Logs
    • Configure Security Properties using Prefixes
    • Secure Components
      • Overview
      • Schema Registry
      • Kafka Connect
      • KRaft Security
      • ksqlDB RBAC
      • REST Proxy
        • Deploy Secure Standalone REST Proxy in Confluent Platform
        • REST Proxy Security Plugins in Confluent Platform
    • Enable Security for a Cluster
    • Add Security to Running Clusters
    • Configure Confluent Server Authorizer
    • Security Management Tools
      • Ansible Playbooks for Confluent Platform
      • Deploy Secure Confluent Platform Docker Images
    • Cluster Registry
  • Deploy Confluent Platform in a Multi-Datacenter Environment
    • Overview
    • Multi-Data Center Architectures on Confluent Platform
    • Cluster Linking on Confluent Platform
      • Overview
      • Tutorials
        • Share Data Across Topics
        • Link Hybrid Cloud and Bridge-to-Cloud Clusters
        • Migrate Data
      • Manage
        • Manage Mirror Topics
        • Configure
        • Command Reference
        • Monitor
        • Security
      • FAQ
      • Troubleshooting
    • Multi-Region Clusters on Confluent Platform
      • Overview
      • Tutorial: Multi-Region Clusters
      • Tutorial: Move Active-Passive to Multi-Region
    • Replicate Topics Across Kafka Clusters in Confluent Platform
      • Overview
      • Example: Active-active Multi-Datacenter
      • Tutorial: Replicate Data Across Clusters
      • Tutorial: Run as an Executable or Connector
      • Configure
      • Verify Configuration
      • Tune
      • Monitor
      • Configure for Cross-Cluster Failover
      • Migrate from MirrorMaker to Replicator
      • Replicator Schema Translation Example for Confluent Platform
  • Configure and Manage
    • Overview
    • Configuration Reference
      • Overview
      • Configure Brokers and Controllers
      • Configure Topics
      • Configure Consumers
      • Configure Producers
      • Configure Connect
        • Overview
        • Configure Sink Connectors
        • Configure Source Connectors
      • Configure AdminClient
      • Configure Licenses
      • Configure Streams
    • CLI Tools for Use with Confluent Platform
      • Overview
      • Bundled CLI Tools
      • Confluent CLI
      • Generate Diagnostics
      • Check Clusters for KRaft Migration
      • kcat (formerly kafkacat) Utility
    • Change Configurations Without Restart
    • Manage Clusters
      • Overview
      • Cluster Metadata Management
        • Overview
        • KRaft Overview
        • Configure KRaft
        • Find ZooKeeper Resources
      • Manage Self-Balancing Clusters
        • Overview
        • Tutorial: Adding and Remove Brokers
        • Configure
        • Performance and Resource Usage
      • Auto Data Balancing
        • Overview
        • Quick Start
        • Tutorial: Add and Remove Brokers
        • Configure
      • Tiered Storage
    • Metadata Service (MDS) in Confluent Platform
      • Configure MDS
      • Configure Communication with MDS over TLS
      • Configure mTLS Authentication and RBAC for Kafka Brokers
      • Configure Kerberos Authentication for Brokers Running MDS
      • Configure LDAP Authentication
      • Configure LDAP Group-Based Authorization for MDS
      • MDS as token issuer
      • Metadata Service Configuration Settings
      • MDS File-Based Authentication for Confluent Platform
    • Docker Operations for Confluent Platform
      • Overview
      • Monitor and Track Metrics Using JMX
      • Configure Logs
      • Mount External Volumes
      • Configure a Multi-Node Environment
    • Run Kafka in Production
    • Production Best Practices
  • Manage Hybrid Environments with USM
    • Overview
    • Get Started with USM
    • USM Agent Operations
    • Schema Registry in Hybrid setup
  • Monitor with Control Center
  • Monitor
    • Logging
    • Monitor with JMX
    • Monitor with Metrics Reporter
    • Monitor Consumer Lag
    • Monitor with Health+
      • Overview
      • Enable
      • Intelligent Alerts
      • Monitor Using Dashboard
      • Configure Telemetry Reporter
      • Telemetry Reporter Metrics Reference
      • FAQ
  • Confluent CLI
  • Release Notes
    • Release Notes
    • Changelogs
  • APIs and Javadocs for Confluent Platform
    • Overview
    • Kafka API and Javadocs for Confluent Platform
      • Kafka Java Client APIs
      • Kafka Producer Java API
      • Kafka Consumer Java API
      • Kafka AdminClient Java API
      • Kafka Common Java API
      • Kafka Streams Java API
      • Kafka Connect Java API
    • Client APIs
      • Python Client API
      • .NET Client API
      • JavaScript Client API
      • Go Client API
      • C++ Client API
      • Java Client API
    • Confluent APIs for Confluent Platform
      • Overview
      • Confluent REST Proxy API
      • Connect REST API
      • Flink REST API
      • Schema Registry API
      • ksqlDB REST API
      • Metadata API
  • Glossary

Upgrade Confluent Platform¶

  • Overview
    • Step 0: Prepare for the upgrade
    • Step 1: Upgrade Kafka controllers and brokers
    • Step 2: Upgrade Confluent Platform components
    • Step 3: Update configuration files
      • Connect Log Redactor configuration
      • Confluent license
      • Replication factor for Self-Balancing Clusters
    • Step 4: Enable Health+
    • Step 5: Rebuild applications
    • Other Considerations
    • Related content
  • Upgrade the Operating System
    • Upgrade order
    • Pre-upgrade checks
    • Post-upgrade checks
    • Related content
  • Confluent Platform Upgrade Procedure
    • Preparation
    • Upgrade order
    • Upgrade Kafka
      • Steps to upgrade for any fix pack release
      • Steps for upgrading to 8.1.x
      • Confluent license
      • Advertised listeners
      • Security
      • Replication factor for Self-Balancing Clusters
      • Upgrade DEB packages using APT
        • Install a specific version on Debian or Ubuntu
          • Method 1: Install the latest version (Recommended)
          • Method 2: Force a specific older version with pinning
      • Upgrade RPM packages by using YUM
      • Upgrade using TAR or ZIP archives
    • Upgrade Confluent Control Center
    • 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 other client applications
    • Related content

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