MariaDB MaxScale 2.5.21 Release Notes -- 2022-07-08

MariaDB MaxScale 2.5.21 Release Notes -- 2022-07-08

Release 2.5.21 is a GA release.

This document describes the changes in release 2.5.21, 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-2904 Document MaxScale performance tuning

Bug fixes

  • MXS-4194 Reported size for query classifier cache keeps growing
  • MXS-4181 MaxScale w/SSL doesn't work on FIPS RHEL7
  • MXS-4166 Filter diagnostics are not shown in maxctrl show filters
  • MXS-4165 Servers with priority=0 are selected as Master
  • MXS-4164 Debug assertion when cat session ends
  • MXS-4160 Maxscale galeramon + max_slave_replication_lag = Could not find valid server for target type TARGET_SLAVE
  • MXS-4152 Schemarouter performance degrades as the number of tables increases
  • MXS-4151 Schemarouter duplicate checks are excessively slow
  • MXS-4146 Xpand MaxScale Tutorial in KB doesn't work
  • MXS-4141 connection_keepalive=0 causes a memory leak
  • MXS-4139 connection_keepalive sends pings even if client is idle
  • MXS-4138 Race condition in binlogrouter
  • MXS-4134 /etc/maxscale.cnf.d/ is not created by package installation
  • MXS-4132 router_options=master ignores rank for first server
  • MXS-4127 MaxCtrl: list services does not include other targets
  • MXS-4121 MaxCtrl is limited to 2GB of memory
  • MXS-4120 Avrorouter crash with a SEQUENCE engine table
  • MXS-4115 Maxscale prints user/pass with CHANGE MASTER command in logfile while failover.
  • MXS-4110 Schemarouter does not ignore the sys schema
  • MXS-4100 connection_keepalive=0 causes a memory leak

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 supported the 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.

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