RabbitMQ 3.8.17-rc.1
RabbitMQ 3.8.17-rc.1
is a preview of a maintenance release.
Obtaining Packages
RabbitMQ releases are distributed via GitHub, Cloudsmith,
and PackageCloud.
Erlang/OTP Compatibility Notes
This release requires Erlang 23.2 and supports Erlang 24.
Provisioning Latest Erlang Releases explains
what package repositories and tools can be used to provision modern Erlang versions.
Upgrade and Compatibility Notes
See the Upgrading guide for general documentation on upgrades and
RabbitMQ change log for release notes of other releases.
If upgrading from a3.7.x
release, see 3.8.0 release notes
upgrade and compatibility notes first.
If upgrading from a 3.6.x
or older release series, first upgrade
to 3.7.27
and then to this version.
Getting Help
Any questions about this release, upgrades or RabbitMQ in general are welcome on the RabbitMQ mailing list
and RabbitMQ community Slack.
Changes Worth Mentioning
Core Server
Enhancements
-
Queue index efficiency improvements, mostly around peak memory consumption with large backlogs of small messages.
Note that some of the improvements come from more optimal defaults: those will only be
applicable to newly created virtual hosts (or new clusters). -
Consumer delivery acknowledgement timeout default has been bumped to 30 minutes (previously 15 minutes). The value
can be overridden.GitHub issue: #3033
Management Plugin
Bug Fixes
-
A combination of HTTPS (TLS) settings and advanced HTTP server settings
resulted in an exception.GitHub issue: #3039
-
External stats collector is now restarted again if it fails for any reason.
Contributed by @luos.
GitHub issue: #3040
Consistent History Exchange Plugin
Enhancements
-
When nodes are restarted, schema database tables used by this plugin are now reconciled
with cluster peers the same way RabbitMQ core does it.GitHub issue: #3067
Recent History Exchange Plugin
Enhancements
-
When nodes are restarted, schema database tables used by this plugin are now reconciled
with cluster peers the same way RabbitMQ core does it.GitHub issue: #3067
Last Value Cache Exchange Plugin
Enhancements
-
When nodes are restarted, schema database tables used by this plugin are now reconciled
with cluster peers the same way RabbitMQ core does it.GitHub issue: rabbitmq/rabbitmq-lvc-exchange#28
Dependency Upgrades
None in this release.
Source Code Archives
To obtain source code of the entire distribution, please download the archive named rabbitmq-server-3.8.17.tar.xz
instead of the source tarball produced by GitHub.