MariaDB MaxScale 22.08.2 Release Notes -- 2022-10-20

Release 22.08.2 is a GA release.

This document describes the changes in release 22.08.2, when compared to the previous release in the same series.

If you are upgrading from an older major version of MaxScale, please read the upgrading document for this MaxScale version.

For any problems you encounter, please consider submitting a bug report on our Jira.

New Features

• MXS-4333 Allow engine selection for Kafka Importer
• MXS-4271 Add OpenID integration for the REST API
• MXS-4161 MaxScale System Diagnostics
• MXS-4122 Fast Global causal_reads
• MXS-4044 Log a message whenever a server is set into maintenance mode.
• MXS-3946 Highlight text when filtering (GUI)
• MXS-3822 MaxScale Global Memory Use Indicator
• MXS-3649 Add service reload time somewhere in maxctrl output
• MXS-3384 Able to list/group servers by Monitor name
• MXS-3012 Allow for ranking of servers for failover

Bug fixes

• MXS-4355 Token authentication does not work correctly with PAM users
• MXS-4353 /maxscale/logs/data endpoint doesn't filter syslog contents correctly
• MXS-4350 The rebalancing functionality is claimed to be disabled
• MXS-4349 The documentation of the behaviour of 'threads=auto' in containers is incorrect
• MXS-4348 Full SASL support is not enabled for kafka modules
• MXS-4338 History/Snippets filter doesn't work on the action and date columns
• MXS-4325 Listeners do not accept ssl_ca
• MXS-4321 Error from missing --secure option is not helpful
• MXS-4316 Data preview tab shows 2 execution time
• MXS-4313 MaxCtrl misinterprets some arguments
• MXS-4312 REST API accepts empty resource IDs
• MXS-4307 Parser can't recognize convert function parameters and cause wrong routing decision
• MXS-4304 MariaDB-Monitor spams log with connection errors if server is both [Maintenance] and [Down]
• MXS-4303 Disconnect connection in the reconnection dialog doesn't work properly
• MXS-4299 Unsaved query tab isn't saved when the current active query tab is not the one has unsaved changes
• MXS-4295 Switchover will wait even if slave server are lagging more than switchover_timeout
• MXS-4293 Memory leak with causal_reads=universal
• MXS-4292 Read-only transaction are not synchronized by causal_reads=universal
• MXS-4291 Avrorouter crash when client is closed
• MXS-4290 Maxscale masking filter returns parsing error on SELECT with very long WHERE
• MXS-4289 Transaction starts on wrong server with autocommit=0
• MXS-4281 Query editor connections aren't bound to the query tabs properly
• MXS-4280 qc_sqlite does not properly handle a LIMIT clause
• MXS-4279 "sub" field not set for JWTs
• MXS-4278 The current connection name in the dropdown disappears when failed to connect to a new connection
• MXS-4253 Redirecting to 404 page after login with AD PAM user
• MXS-4251 Stop button is not working properly and high memory usage in the Query Editor
• MXS-4241 MaxScale High CPU / Load issue
• MXS-4174 expire_log_duration and expire_log_minimum_files not covered by tests
• MXS-4156 Update documentation on required monitor privileges
• MXS-4083 CPU utilization high on MaxScale host

Known Issues and Limitations

There are some limitations and known issues within this version of MaxScale. For more information, please refer to the Limitations document.

Packaging

RPM and Debian packages are provided for the supported Linux distributions.

Packages can be downloaded here.

Source Code

The source code of MaxScale is tagged at GitHub with a tag, which is identical with the version of MaxScale. For instance, the tag of version X.Y.Z of MaxScale is maxscale-X.Y.Z. Further, the default branch is always the latest GA version of MaxScale.

The source code is available here.