165 lines
6.2 KiB
Markdown
165 lines
6.2 KiB
Markdown
RabbitMQ `3.11.5` is a maintenance release in the `3.11.x` [release series](https://www.rabbitmq.com/versions.html).
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Please refer to the upgrade section from [v3.11.0 release notes](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v3.11.0)
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if upgrading from a version prior to 3.11.0.
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This release requires Erlang 25.
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[RabbitMQ and Erlang/OTP Compatibility Matrix](https://www.rabbitmq.com/which-erlang.html) has more details on
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Erlang version requirements for RabbitMQ.
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### Minimum Supported Erlang Version
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As of 3.11.0, RabbitMQ requires Erlang 25. Nodes **will fail to start** on older Erlang releases.
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Erlang 25 as our new baseline means much improved performance on ARM64 architectures, [profiling with flame graphs](https://blog.rabbitmq.com/posts/2022/05/flame-graphs/)
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across all architectures, and the most recent TLS 1.3 implementation available to all RabbitMQ 3.11 users.
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## Changes Worth Mentioning
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Release notes can be found on GitHub at [rabbitmq-server/release-notes](https://github.com/rabbitmq/rabbitmq-server/tree/v3.11.x/release-notes).
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### Core Server
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#### Enhancements
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* Backported a number of improvements for non-ASCII character handling in paths on Windows.
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GitHub issue: [#5551](https://github.com/rabbitmq/rabbitmq-server/pull/5551)
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* Backported a number of free disk space monitor resiliency improvements.
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GitHub issue: [#5831](https://github.com/rabbitmq/rabbitmq-server/pull/5831)
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* If `handle.exe` is not available, free disk space monitor will now shell out to PowerShell
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to retrieve the number of open file handles used by the node.
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GitHub issue: [#6613](https://github.com/rabbitmq/rabbitmq-server/issues/6613)
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* `raft.adaptive_failure_detector.poll_interval` exposes [`aten`]()'s `poll_interval` setting to
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RabbitMQ users. Increasing it can reduce the probability of false positives in clusters where
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inter-node communication links are used at close to maximum capacity.
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The default is `5000` (5 seconds).
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GitHub issue: [#6632](https://github.com/rabbitmq/rabbitmq-server/pull/6632)
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* When both `disk_free_limit.relative` and `disk_free_limit.absolute`,
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or both `vm_memory_high_watermark.relative` and `vm_memory_high_watermark.absolute` are set,
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the absolute settings will now take precedence.
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Contributed by @SimonUnge (AWS).
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GitHub issue: [#4980](https://github.com/rabbitmq/rabbitmq-server/issues/4980)
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* Closing channels will now log a warning if they had any messages pending a [confirmation from the server](https://www.rabbitmq.com/publishers.html#data-safety).
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Contributed by @Kiruamvp.
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GitHub issue: [#1399](https://github.com/rabbitmq/rabbitmq-server/issues/1399)
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* New quorum queue option for in-memory table (MemTable) compression.
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GitHub issue: [#6590](https://github.com/rabbitmq/rabbitmq-server/pull/6590)
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* Default queue type (a virtual host setting) is now applied when importing definitions
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into a single virtual host.
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GitHub issue: [#6599](https://github.com/rabbitmq/rabbitmq-server/pull/6599)
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#### Bug Fixes
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* Feature flags provided by plugins were mistakingly disabled after node restart.
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GitHub issue: [#6500](https://github.com/rabbitmq/rabbitmq-server/issues/6500)
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* Classic queues with [Single Active Consumer](https://www.rabbitmq.com/consumers.html#single-active-consumer) enabled could run into an exception.
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GitHub issue: [#6502](https://github.com/rabbitmq/rabbitmq-server/pull/6502)
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* When a [global parameter](https://www.rabbitmq.com/parameters.html#parameter-management) was cleared,
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nodes emitted an [internal event](https://www.rabbitmq.com/logging.html#internal-events) of the wrong type.
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GitHub issue: [#6538](https://github.com/rabbitmq/rabbitmq-server/pull/6538)
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### CLI Tools
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#### Bug Fixes
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* `rabbitmq-queues grow` and `rabbitmq-queues shrink` misformatted the errors
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they could encounter.
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Contributed by @gomoripeti (CloudAMQP).
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GitHub issue: [#6601](https://github.com/rabbitmq/rabbitmq-server/pull/6601)
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#### Enhancements
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* Implicit `help` command (when CLI tools were invoked without a command name)
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now respects all global flags (such as `--node`). For example, previously
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the `--node` flag in
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``` shell
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rabbitmqctl --node rabbit@ns1.rabbitmq.cluster.local
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```
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was ignored but now CLI tools would discover what plugins are enabled
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on node `rabbit@ns1.rabbitmq.cluster.local` and include them into `help` output.
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GitHub issue: [#6598](https://github.com/rabbitmq/rabbitmq-server/pull/6598)
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* New key supported by `rabbitmqctl list_queues`: `effective_policy_definition` that returns
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merged definitions of regular and [operator policies](https://www.rabbitmq.com/parameters.html#operator-policies) effective for the queue.
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GitHub issue: [#6556](https://github.com/rabbitmq/rabbitmq-server/pull/6556)
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### Management Plugin
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#### Enhancements
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* It is now possible to omit explicitly specifying queue type when declaring
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a queue (or stream) in the management UI, and rely on the default queue type
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configured for the selected virtual host.
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GitHub issue: [#6600](https://github.com/rabbitmq/rabbitmq-server/pull/6600)
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* New HTTP API endpoint, `GET /api/config/effective`, returns effective node configuration.
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This is an HTTP API counterpart of `rabbitmq-diagnostics environment`.
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Contributed by @SimonUnge (AWS).
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GitHub issue: [#6016](https://github.com/rabbitmq/rabbitmq-server/issues/6016)
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### Shovel Plugin
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#### Enhancements
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* Flow control state for Shovels is now reported with higher fidelity
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(of 1 second vs. several seconds previously). This means it should be easier
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to spot Shovels that run into flow control using management UI.
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Contributed by @gomoripeti (CloudAMQP).
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GitHub issue: [#6615](https://github.com/rabbitmq/rabbitmq-server/pull/6615)
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### Sharding Plugin
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#### Bug Fixes
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* Plugin could fail to boot and halt node boot due to incorrect boot step
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metadata.
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GitHub issue: [#6583](https://github.com/rabbitmq/rabbitmq-server/pull/6583)
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## Dependency Upgrades
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* `ra` was upgraded [from `2.4.1` to `2.4.5`](https://github.com/rabbitmq/ra/releases)
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## Source Code Archives
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To obtain source code of the entire distribution, please download the archive named `rabbitmq-server-3.11.5.tar.xz`
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instead of the source tarball produced by GitHub.
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