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Thank for pointing to that! MaxScale is indeed licensed under BSL, which means you can't use it for production environments [1]. 

Also I haven't followed ProxySQL a lot so didn't know that they have native Galera support from 2.0.0, which is really a great alternative!


[1] https://mariadb.com/bsl-faq-mariadb/

28.04.2021, 11:00, "Mark Goddard" <mark at stackhpc.com>:
> On Tue, 27 Apr 2021 at 19:15, Dmitriy Rabotyagov <noonedeadpunk at ya.ru> wrote:
>>  Hi everyone!
>>
>>  First of all I would like to thank everyone for attendance.
>>
>>  We have discussed a lot of topics both regarding things that we need to merge before releasing Wallaby (we are trailing behind and may release in up to 3 month after official release) and regarding plans for the Xena.
>>
>>  First comes list of things that we agreed to land for W in descending priority:
>>  1. ansible-role-pki. Gerrit topic [1]
>>  2. Centos8-Stream. Gerrit topic [2]
>>  3. Move neutron-server to standalone group in env.d
>>  4. Debian Bullseye. We're currently blocked with infra [3]
>>  5. Senlin tempest test [4]
>>  6. Fix broken roles
>>  7. Implement send_service_user_token and service_token_roles_required
>>
>>  Also we agreed to keep ansible-base 2.11.* release for Wallaby, and not switch to the ansible-core yet.
>>
>>  List of descisions that were taken for the Xena release:
>>  1. Deprecate Ubuntu Bionic at the beggining of X cycle
>>  2. Deprecate Centos-8 (classic) at the beginning of X cycle
>>  3. Switch MariaDB balancing frontend from HAproxy to MaxScale
>
> FWIW, Michal Arbet (kevko) started adding MaxScale to Kolla but
> switched to ProxySQL due to licensing issues.
>
>>  4. Drop Nginx for the Keystone and use Apache is all scenarios as most unified solution.
>>  5. Add option to roles to configure systemd timers for cleaning up soft-deleted records in DB
>>  6. Create operating systems support table to clear out possible upgrade paths between releases
>>  7. Replace dashes with underscores in group names and dynamic inventory and stop ignoring TRANSFORM_INVALID_GROUP_CHARS.
>>  8. Adding ability to enable prometheus support for MariaDB and HAproxy
>>  9. Revise possibility to support deployments on top of arm64
>>  10. Look into creation common roles for Ansible OpenStack collection. At least write a blueprint/spec regarding scope of these roles.
>>  11. Deploy ARA on localhost for OSA logging, configured by variables
>>
>>  [1] https://review.opendev.org/q/topic:%22osa%252Fpki%22+(status:open)
>>  [2] https://review.opendev.org/q/topic:%22osa-stream%22+(status:open)
>>  [3] https://review.opendev.org/q/topic:%22debian_bullseye%22+(status:open)
>>  [4] https://review.opendev.org/c/openstack/openstack-ansible-os_senlin/+/754045
>>
>>  --
>>  Kind Regards,
>>  Dmitriy Rabotyagov


-- 
Kind Regards,
Dmitriy Rabotyagov