MaxScale 21.06 MariaDB MaxScale 6.4.5 Release Notes -- 2023-01-13

MariaDB MaxScale 6.4.5 Release Notes -- 2023-01-13

Release 6.4.5 is a GA release.

This document describes the changes in release 6.4.5, 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.

Bug fixes

  • MXS-4474 MaxScale hangs with warning about "Worker 1 attempted to send a message to worker 1"
  • MXS-4471 Table selection doesn't tolerate node failures
  • MXS-4470 COM_INIT_DB isn't routed to all shards
  • MXS-4469 Schemarouter routing logic documentation is out of date
  • MXS-4467 Explicit transactions without a default database do not work as expected with schemarouter
  • MXS-4460 Crash during query replay with service-to-service configuration
  • MXS-4454 Schemarouter should prefer targets which have databases in them for session commands
  • MXS-4453 Schemarouter selects an invalid target for queries that do not target a specific shard
  • MXS-4450 6.4 no longer provides full certificate chain in TLS HELLO
  • MXS-4440 Lost connection to backend server: network error (server1: 104, Connection reset by peer)
  • MXS-4439 Maxscale is failing with Resource temporarily unavailable errors
  • MXS-4435 Log rotation causes errors in qlafilter
  • MXS-4423 Rebalancing is not always initiated from the affected worker/thread

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.


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.


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