Queens Series Release Notes

17.0.4-15

New Features

• The option rabbitmq_erlang_version_spec has been added allowing deployers to set the version of erlang used on a given installation.

Deprecation Notes

• The use of the apt_package_pinning role as a meta dependency has been removed from the rabbitmq_server role. While the package pinning role is still used, it will now only be executed when the apt task file is executed.

17.0.0

New Features

• The installation of Erlang and is now optimized for CentOS. Erlang 19.x is now installed via a single package that is maintained by RabbitMQ developers and it provides the minimal features required for RabbitMQ to function. It also includes HiPE support for increased performance.

  The version of Erlang is kept constant using yum’s versionlock plugin.

• RabbitMQ is now installed via an RPM repository provided by RabbitMQ developers. The version is kept constant via yum’s versionlock plugin. This allows the tasks to lock the RabbitMQ version to a particular revision and prevent changes to that version.

• The default ulimit for RabbitMQ is now 65536. Deployers can still adjust this limit using the rabbitmq_ulimit Ansible variable.