MariaDB MaxScale 6.2.1 Release Notes -- 2022-01-13

Release 6.2.1 is a GA release.

This document describes the changes in release 6.2.1, 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-3894 Invent a configuration option to allow transaction replay ignore checksum check
• MXS-3379 Make transaction_replay less strict
• MXS-2353 Per service log_info

Bug fixes

• MXS-3943 Altering xpandmon at runtime fails
• MXS-3941 create_one_connection_for_sescmd() doesn't correctly replace m_current_master
• MXS-3940 Debug assertion in mariadb_backend.cc
• MXS-3939 Debug assertion during transaction replay
• MXS-3938 Debug assert in xpandmon
• MXS-3937 Transaction replay time limits are unpredictable
• MXS-3934 Linking a service at runtime to an xpandmon doesn't work
• MXS-3929 connection stalled after executing a stored procedure with OUT parameter
• MXS-3928 MaxScale logs a warning when users are loaded from a Xpand cluster
• MXS-3927 Some log messages do not contain the session ID
• MXS-3924 Session commands are not retried with delayed_retry
• MXS-3920 Can't connect to MaxScale when schema uses utf8mb4 chars >= U0080
• MXS-3917 Crash during set server maintenance --force
• MXS-3915 Autocommit tracking doesn't work correctly
• MXS-3911 Monitor parameters table is not modifiable (GUI)
• MXS-3909 Skip http_proxy when address is localhost
• MXS-3908 MaxScale crashes (double free or corruption)
• MXS-3907 Unexpected result state
• MXS-3900 Add multi-threaded stack traces
• MXS-3897 MaxScale crashes when executing CDC process to kafka
• MXS-3896 When reading password from stdin via redirect, interactive use is no longer possible
• MXS-3893 read/write split service incorrectly times out valid sessions on master if timeout happens on replica
• MXS-3841 LIMIT should be added for each select query automatically
• MXS-3807 Using the binlog router as the source for KafkaCDC router is unreliable
• MXS-3544 Use virtual scroll on maxscale log view to fix memory issue

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.