> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06.md).

# MariaDB MaxScale 21.06

- [MaxScale 21.06 Contents](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-2106-contents.md)
- [MariaDB MaxScale 21.06 About](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-about.md): This release enhanced data integration and read-after-write consistency. It introduced the Kafka CDC router to stream database changes and a causal reads feature for replica servers.
- [About MariaDB MaxScale](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-about/mariadb-maxscale-2106-maxscale-2106-about-mariadb-maxscale.md)
- [Limitations and Known Issues within MariaDB MaxScale](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-about/mariadb-maxscale-2106-maxscale-2106-limitations-and-known-issues-within-mariadb-maxscale.md)
- [MariaDB MaxScale 21.06 Authenticators](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-authenticators.md): Secure your MaxScale deployment by configuring authenticators. These modules manage client authentication against backend MariaDB servers, supporting various mechanisms for robust security.
- [MaxScale 21.06 Authentication Modules](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-authenticators/mariadb-maxscale-2106-maxscale-2106-authentication-modules.md)
- [MaxScale 21.06 GSSAPI Client Authenticator](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-authenticators/mariadb-maxscale-2106-maxscale-2106-gssapi-client-authenticator.md)
- [MaxScale 21.06 MariaDB/MySQL Authenticator](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-authenticators/mariadb-maxscale-2106-maxscale-2106-mariadbmysql-authenticator.md)
- [MaxScale 21.06 PAM Authenticator](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-authenticators/mariadb-maxscale-2106-maxscale-2106-pam-authenticator.md)
- [MariaDB MaxScale 21.06 Connectors](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-connectors.md): This section details connectors for MariaDB MaxScale 21.06. Learn about the Change Data Capture (CDC) APIs that allow applications to consume a real-time stream of database events.
- [MaxScale 21.06 Maxscale CDC Connector](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-connectors/mariadb-maxscale-2106-maxscale-2106-maxscale-cdc-connector.md)
- [MariaDB MaxScale 21.06 Design Documents](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-design-documents.md): Explore the internal architecture of MariaDB MaxScale. This section contains the detailed design documents and specifications used by developers for core features and modules.
- [MariaDB MaxScale Plugin Development Guide](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-design-documents/mariadb-maxscale-2106-maxscale-2106-mariadb-maxscale-plugin-development-guide.md)
- [MariaDB MaxScale 21.06 Filters](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters.md): Filters are powerful modules that intercept and process database traffic in MaxScale. Use them to log, transform, block, or reroute queries to add control, security, and monitoring.
- [MaxScale 21.06 Cache](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-cache.md)
- [MaxScale 21.06 Binlog Filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-binlog-filter.md)
- [MaxScale 21.06 Consistent Critical Read Filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-consistent-critical-read-filter.md)
- [MaxScale 21.06 Database Firewall filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-database-firewall-filter.md)
- [MaxScale 21.06 Hintfilter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-hintfilter.md)
- [MaxScale 21.06 Insert Stream Filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-insert-stream-filter.md)
- [MaxScale 21.06 Lua Filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-lua-filter.md)
- [MaxScale 21.06 Masking](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-masking.md)
- [MaxScale 21.06 Maxrows](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-maxrows.md)
- [MaxScale 21.06 Named Server Filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-named-server-filter.md)
- [MaxScale 21.06 Query Log All Filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-query-log-all-filter.md)
- [MaxScale 21.06 Regex Filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-regex-filter.md)
- [MaxScale 21.06 Tee Filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-tee-filter.md)
- [MaxScale 21.06 Throttle](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-throttle.md)
- [MaxScale 21.06 Top Filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-top-filter.md)
- [MaxScale 21.06 Transaction Performance Monitoring Filter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-filters/mariadb-maxscale-2106-maxscale-2106-transaction-performance-monitoring-filter.md)
- [MariaDB MaxScale 21.06 Getting Started](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-getting-started.md): This is your starting point for MariaDB MaxScale 21.06. Find essential guides for installation, learn the basics of configuration, and explore tutorials to get up and running quickly.
- [Building MariaDB MaxScale from Source Code](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-getting-started/mariadb-maxscale-2106-maxscale-2106-building-mariadb-maxscale-from-source-code.md)
- [Installing MariaDB MaxScale using a tarball](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-getting-started/mariadb-maxscale-2106-maxscale-2106-installing-mariadb-maxscale-using-a-tarball.md)
- [MariaDB MaxScale Configuration Guide](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-getting-started/mariadb-maxscale-2106-maxscale-2106-mariadb-maxscale-configuration-guide.md)
- [MariaDB MaxScale Installation Guide](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-getting-started/mariadb-maxscale-2106-maxscale-2106-mariadb-maxscale-installation-guide.md)
- [MariaDB MaxScale MaxGUI Guide](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-getting-started/mariadb-maxscale-2106-maxscale-2106-mariadb-maxscale-maxgui-guide.md)
- [MaxScale 21.06 Monitors](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-getting-started/maxscale-21-06-monitors.md)
- [MariaDB MaxScale 21.06 Protocols](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-protocols.md): Protocol modules interpret client-server communication for MaxScale. This section covers the available modules, including the standard MariaDB protocol, NoSQL, and Change Data Capture (CDC).
- [MaxScale 21.06 Change Data Capture (CDC) Protocol](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-protocols/mariadb-maxscale-2106-maxscale-2106-change-data-capture-cdc-protocol.md)
- [MaxScale 21.06 Change Data Capture (CDC) users](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-protocols/mariadb-maxscale-2106-maxscale-2106-change-data-capture-cdc-users.md)
- [MaxScale 21.06 MariaDB Protocol Module](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-protocols/mariadb-maxscale-2106-maxscale-2106-mariadb-protocol-module.md)
- [MaxScale 21.06 NoSQL Protocol Module](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-protocols/mariadb-maxscale-2106-maxscale-2106-nosql-protocol-module.md)
- [MaxScale 21.06 Getting-Started](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-protocols/maxscale-21-06-protocols-getting-started.md)
- [MariaDB MaxScale 21.06 Reference](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-reference.md): Access detailed technical information for MariaDB MaxScale 21.06. This section is your complete reference for configuration settings, command-line tools, hint syntax, and more.
- [MaxScale 21.06 Hint Syntax](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-reference/mariadb-maxscale-2106-maxscale-2106-hint-syntax.md)
- [MaxScale 21.06 MaxCtrl](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-reference/mariadb-maxscale-2106-maxscale-2106-maxctrl.md)
- [MaxScale 21.06 Module commands](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-reference/mariadb-maxscale-2106-maxscale-2106-module-commands.md)
- [MariaDB MaxScale 21.06 REST API](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api.md): Manage MaxScale programmatically using the REST API. This interface allows for the dynamic administration and monitoring of resources like servers, services, listeners, and filters.
- [MaxScale 21.06 Admin User Resource](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api/mariadb-maxscale-2106-maxscale-2106-admin-user-resource.md)
- [MaxScale 21.06 Filter Resource](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api/mariadb-maxscale-2106-maxscale-2106-filter-resource.md)
- [MaxScale 21.06 Listener Resource](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api/mariadb-maxscale-2106-maxscale-2106-listener-resource.md)
- [MaxScale 21.06 MaxScale Resource](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api/mariadb-maxscale-2106-maxscale-2106-maxscale-resource.md)
- [MaxScale 21.06 Monitor Resource](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api/mariadb-maxscale-2106-maxscale-2106-monitor-resource.md)
- [MaxScale 21.06 REST API](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api/mariadb-maxscale-2106-maxscale-2106-rest-api.md)
- [MaxScale 21.06 Server Resource](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api/mariadb-maxscale-2106-maxscale-2106-server-resource.md)
- [MaxScale 21.06 Service Resource](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api/mariadb-maxscale-2106-maxscale-2106-service-resource.md)
- [MaxScale 21.06 Session Resource](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api/mariadb-maxscale-2106-maxscale-2106-session-resource.md)
- [MaxScale 21.06 SQL Resource](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-rest-api/mariadb-maxscale-2106-maxscale-2106-sql-resource.md)
- [MariaDB MaxScale 21.06 Routers](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers.md): Routers are the core of a MaxScale service, intelligently directing database traffic. This version adds the KafkaCDC router and enhances others with features like causal reads.
- [MaxScale 21.06 Avrorouter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-avrorouter.md)
- [MaxScale 21.06 Binlogrouter 2.4](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-binlogrouter-24.md)
- [MaxScale 21.06 Binlogrouter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-binlogrouter.md)
- [MaxScale 21.06 Cat](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-cat.md)
- [MaxScale 21.06 HintRouter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-hintrouter.md)
- [MaxScale 21.06 KafkaCDC](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-kafkacdc.md)
- [MaxScale 21.06 KafkaImporter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-kafkaimporter.md)
- [MaxScale 21.06 Mirror](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-mirror.md)
- [MaxScale 21.06 Readconnroute](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-readconnroute.md)
- [MaxScale 21.06 Readwritesplit](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-readwritesplit.md)
- [MaxScale 21.06 SchemaRouter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-schemarouter.md)
- [MaxScale 21.06 SmartRouter](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/mariadb-maxscale-2106-maxscale-2106-smartrouter.md)
- [MaxScale Read/Write Split Router](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-routers/maxscale-readwrite-split-router.md)
- [MariaDB MaxScale 21.06 Tutorials](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials.md): Get hands-on experience with MariaDB MaxScale 21.06. These tutorials provide step-by-step instructions for common tasks like setting up read-write splitting, failover, and sharding.
- [MaxScale 21.06 Automatic Failover With MariaDB Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-automatic-failover-with-mariadb-monitor.md)
- [MaxScale 21.06 Avrorouter Tutorial](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-avrorouter-tutorial.md)
- [MaxScale 21.06 Configuring Servers](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-configuring-servers.md)
- [MaxScale 21.06 Configuring the Galera Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-configuring-the-galera-monitor.md)
- [MaxScale 21.06 Configuring the MariaDB Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-configuring-the-mariadb-monitor.md)
- [MaxScale 21.06 Connection Routing with MariaDB MaxScale](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-connection-routing-with-mariadb-maxscale.md)
- [MaxScale 21.06 Encrypting Passwords](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-encrypting-passwords.md)
- [MaxScale 21.06 Filters](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-filters.md)
- [MaxScale 21.06 MariaDB MaxScale Administration Tutorial](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-mariadb-maxscale-administration-tutorial.md)
- [MaxScale 21.06 Read-Write Splitting with MariaDB MaxScale](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-read-write-splitting-with-mariadb-maxscale.md)
- [MaxScale 21.06 REST API Tutorial](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-rest-api-tutorial.md)
- [MaxScale 21.06 Setting up MariaDB MaxScale](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-setting-up-mariadb-maxscale.md)
- [MaxScale 21.06 Simple Sharding with Two Servers](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-tutorials/mariadb-maxscale-2106-maxscale-2106-simple-sharding-with-two-servers.md)
- [MariaDB MaxScale 21.06 Upgrading](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-upgrading.md): Before upgrading to MariaDB MaxScale 21.06, it is critical to review the changes. This guide outlines new features, altered parameters, and deprecated functionality to ensure a smooth transition.
- [MaxScale 21.06 Upgrading MariaDB MaxScale](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-upgrading/mariadb-maxscale-2106-maxscale-2106-upgrading-mariadb-maxscale.md)
- [MaxScale 21.06 Monitors](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors.md): Monitors are essential for high availability. They track backend server status, detect failures, promote replicas, and perform automatic failovers, ensuring service continuity.
- [MaxScale 21.06 Aurora Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/mariadb-maxscale-2106-maxscale-2106-aurora-monitor.md)
- [MaxScale 21.06 ColumnStore Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/mariadb-maxscale-2106-maxscale-2106-columnstore-monitor.md)
- [MaxScale 21.06 Common Monitor Parameters](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/mariadb-maxscale-2106-maxscale-2106-common-monitor-parameters.md)
- [MaxScale 21.06 Galera Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/mariadb-maxscale-2106-maxscale-2106-galera-monitor.md)
- [MaxScale 21.06 MariaDB Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/mariadb-maxscale-2106-maxscale-2106-mariadb-monitor.md)
- [MaxScale MariaDB Monitor Usage](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage.md): Learn to use the MariaDB Monitor to automate cluster management. This guide covers how to configure server monitoring, automatic failover, switchover, and other HA features.
- [Understanding Monitors in MaxScale](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/understanding-monitors-in-maxscale.md)
- [Aurora Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/maxscale-mariadb-monitor-usage-aurora-monitor.md): This monitor is designed specifically for Amazon Aurora clusters. It identifies the writer and reader instances, allowing MaxScale to route queries and manage high availability in an AWS environment.
- [Designing for MaxScale's Aurora Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/maxscale-mariadb-monitor-usage-aurora-monitor/designing-for-maxscales-aurora-monitor.md)
- [Understanding MaxScale's Aurora Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/maxscale-mariadb-monitor-usage-aurora-monitor/understanding-maxscales-aurora-monitor.md)
- [ColumnStore Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/maxscale-mariadb-monitor-usage-columnstore-monitor.md)
- [Galera Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/maxscale-mariadb-monitor-usage-galera-monitor.md)
- [MariaDB Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/maxscale-mariadb-monitor-usage-mariadb-monitor.md): Learn about the MariaDB Monitor in MaxScale 21.06. This module tracks primary and replica servers, enabling automatic failover, switchover, and other essential high-availability features.
- [Designing for MaxScale's MariaDB Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/maxscale-mariadb-monitor-usage-mariadb-monitor/designing-for-maxscales-mariadb-monitor.md)
- [Understanding MaxScale's MariaDB Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/maxscale-mariadb-monitor-usage-mariadb-monitor/understanding-maxscales-mariadb-monitor.md)
- [Using Automatic Failover with MaxScale's MariaDB Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/maxscale-mariadb-monitor-usage-mariadb-monitor/using-automatic-failover-with-maxscales-mariadb-monitor.md)
- [Using Cooperative Locking for HA with MaxScale's MariaDB Monitor](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-2106-maxscale-21-06-monitors/maxscale-mariadb-monitor-usage/maxscale-mariadb-monitor-usage-mariadb-monitor/using-cooperative-locking-for-ha-with-maxscales-mariadb-monitor.md)
- [MariaDB MaxScale 21.06 Release Notes](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/mariadb-maxscale-21-06-release-notes.md)
- [MaxScale 21.06 About](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-about.md)
- [MaxScale 21.06 Authenticators](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-authenticators.md)
- [MaxScale 21.06 Connectors](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-connectors.md)
- [MaxScale 21.06 Design-Documents](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-design-documents.md)
- [MaxScale 21.06 Filters](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-filters.md)
- [MaxScale 21.06 Getting-Started](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-getting-started.md)
- [MaxScale 21.06 Protocols](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-protocols.md)
- [MaxScale 21.06 Reference](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-reference.md)
- [MaxScale 21.06 REST-API](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-rest-api.md)
- [MaxScale 21.06 Routers](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-routers.md)
- [MaxScale 21.06 Tutorials](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-tutorials.md)
- [MaxScale 21.06 Upgrading](https://mariadb.com/docs/maxscale/maxscale-archive/archive/mariadb-maxscale-21-06/maxscale-21-06-upgrading.md)