RabbitMQ 3.7.9 釋出，Erlang 的 AMQP 開源實現

摘要： RabbitMQ 3.7.9 已釋出，這是一個維護版本，主要聚焦於修復 bug 和可用性改進。 相容性說明 此版本與早期的 3.7.x 沒有已知的不相容性。 升級至 Erlang 21.0 升級該版本會同時將  Erlang 更新至 21.0 版本。 具體更改 Co...

RabbitMQ 3.7.9 已釋出，這是一個維護版本，主要聚焦於修復 bug 和可用性改進。

相容性說明

此版本與早期的 3.7.x 沒有已知的不相容性。

升級至 Erlang 21.0

升級該版本會同時將  Erlang 更新至 21.0 版本。

具體更改

Core Server

Bug Fixes

• Queue deletion loaded bindings in an inefficient way.

  GitHub issue:ofollow,noindex" target="_blank">rabbitmq/rabbitmq-server#1690

• Heartbeat monitor now correctly sends heartbeats at half the negotiated timeout interval.

  It previously could fail to do so because it considered its own traffic to be on-the-wire

  activity from the peer.

  GitHub issue:rabbitmq/rabbitmq-common#278

• Nodes were using a [client] Syslog UDP socket even whenlogging to Syslog was not enabled.

  GitHub issue:rabbitmq/rabbitmq-server#1718

• ERL_EPMD_PORT was ignored when configured in rabbitmq-env.conf .

  GitHub issue:rabbitmq/rabbitmq-server#1709

• Proxy Protocol dependency is now compatible with Erlang/OTP 21.

  GitHub issue:rabbitmq/rabbitmq-common#269

Enhancements

• It is now possible to configurecipher suites using new style config format.

  GitHub issue:rabbitmq/rabbitmq-server#1712

• When a listener fails to start (bind to a server socket), error messages involve less context and are

  easier to read.

  GitHub issue:rabbitmq/rabbitmq-server#1711

• Improved error reporting for whenerl or erl.exe are no in node's PATH .

  GitHub issue:rabbitmq/rabbitmq-common#275

• 10 TLS connection acceptors are now used by default.

  GitHub issue:rabbitmq/rabbitmq-server#1729

CLI Tools

Bug Fixes

• rabbitmqctl list_* commands did not include table column headers.

  GitHub issue:rabbitmq/rabbitmq-cli#264

• IfRABBITMQ_NODENAME is configured, CLI tools will use its hostname part when generating its own

  Erlang node name.

  GitHub issue:rabbitmq/rabbitmq-cli#270

• On Windows CLI tool batch scripts exited with a 0 exit code when it failed to connect to the node.

  Contributed by Artem Zinenko.

  GitHub issue:rabbitmq/rabbitmq-server#1735 .

Enhancements

• rabbitmq-plugins directories is a new command that outputs effective plugin directories .

  GitHub issue:rabbitmq/rabbitmq-cli#261

• rabbitmqctl stop now supports --idempotent that makes the command exit with a success when

  target node is not running.

  GitHub issue:rabbitmq/rabbitmq-cli#272

• rabbitmqctl add_vhost is now idempotent (no longer returns an error when vhost already exists)

  GitHub issue:rabbitmq/rabbitmq-cli#260

Management and Management Agent Plugins

Bug Fixes

• Logo link now works better with a non-blank API endpoint prefix.

  GitHub issue:rabbitmq/rabbitmq-management#604

• Decimal headers and argument values are now serialised to JSON correctly.

  GitHub issue:rabbitmq/rabbitmq-management-agent#71

Enhancements

• It is now possible to configure both HTTPS and HTTP listeners using new syntax that's consistent with

  Web STOMP and Web MQTT plugins:

  management.tcp.port = 15672
  
  management.ssl.port = 15671
  management.ssl.cacertfile = /path/to/cacert.pem
  management.ssl.certfile = /path/to/cert.pem
  management.ssl.keyfile = /path/to/key.pem

  GitHub issue:rabbitmq/rabbitmq-management#563

• GET /api/nodes/{node} endpoint aggregated data for other cluster nodes only to discard it later.

  GitHub issue:rabbitmq/rabbitmq-management#615

• WhenHandle.exe is used and returns no file handle information in its output, a warning will be logged.

  GitHub issue:rabbitmq/rabbitmq-management-agent#67

LDAP/">LDAP Plugin

Enhancements

• String matching queries now support multi-value results.

  GitHub issue:rabbitmq/rabbitmq-auth-backend-ldap#100

• ad_domain and ad_user are new variables available in LDAP plugin queries. They are extracted from the username

  when it's in Domain\User format, which is typically specific to ActiveDirectory.

  GitHub issue:rabbitmq/rabbitmq-auth-backend-ldap#98

• Search queries that return referrals will result in an error instead of an exception.

  GitHub issue:rabbitmq/rabbitmq-auth-backend-ldap#97

Web STOMP Plugin

Enhancements

• Advanced Socket/">WebSocket options now can be configured. Compression is enabled by default.

  Compression won't be used with clients that do not support it.

  GitHub issues:rabbitmq/rabbitmq-web-stomp#89 , rabbitmq/rabbitmq-web-stomp#90

Web MQTT Plugin

Bug Fixes

• WebSocketPING frames are now ignored instead of being propagated to MQTT frame handler.

GitHub issue:rabbitmq/rabbitmq-web-mqtt#32

Enhancements

• Advanced WebSocket options now can be configured. Compression is enabled by default.

  Compression won't be used with clients that do not support it.

  GitHub issues:rabbitmq/rabbitmq-web-mqtt#34

AWS Peer Discovery Plugin

Bug Fixes

• EC2 API endpoint requests used an unreasonably low timeout (100 ms). The new value

  is 10 seconds.

  GitHub issue:rabbitmq/rabbitmq-peer-discovery-aws#24

Consul Peer Discovery Plugin

Bug Fixes

• It wasn't possible to specify Consul service tags via new style config format.

GitHub issue:rabbitmq/rabbitmq-peer-discovery-consul#18

• It wasn't possible to configure lock key prefix via new style config format.

GitHub issues:rabbitmq/rabbitmq-peer-discovery-consul#16

Enhancements

• Lock acquisition timeout now can be configured usingcluster_formation.consul.lock_timeout as well as cluster_formation.consul.lock_wait_time (an alias),

  to be consistent with the Etcd implementation.

  GitHub issue:rabbitmq/rabbitmq-peer-discovery-consul#20

Etcd Peer Discovery Plugin

Enhancements

• Lock acquisition timeout now can be configured usingcluster_formation.etcd.lock_timeout as well as cluster_formation.etcd.lock_wait_time (an alias),

  to be consistent with the Consul implementation.

  GitHub issue:rabbitmq/rabbitmq-peer-discovery-etcd#16

Event Exchange Plugin

Enhancements

• Throughput optimizations reduce probability of high memory consumption byrabbit_event processes due to

  event backlog accumulation.

  GitHub issue:rabbitmq/rabbitmq-server#1722

RPM Package

Bug Fixes

• Post-installation script renamedrabbitmq.conf to rabbitmq-env.conf . A long time ago rabbitmq.conf was used to configure

  environment variables (like rabbitmq-env.conf today) and old post-installation steps were not removed when rabbitmq.conf
  

  was re-adopted for new style config files.

  GitHub issue:rabbitmq/rabbitmq-server-release#87