RabbitMQ v3.6.3 RC2 發布，AMQP消息服務器

RabbitMQ是實現AMQP（高級消息隊列協議）的消息中間件的一種，最初起源于金融系統，用于在分布式系統中存儲轉發消息，在易用性、擴展性、高可用性等方面表現不俗。消息中間件主要用于組件之間的解耦，消息的發送者無需知道消息使用者的存在，反之亦然。

AMQP 里主要要說兩個組件：Exchange 和 Queue （在 AMQP 1.0 里還會有變動），如下圖所示，綠色的 X 就是 Exchange ，紅色的是 Queue ，這兩者都在 Server 端，又稱作 Broker ，這部分是 RabbitMQ 實現的，而藍色的則是客戶端，通常有 Producer 和 Consumer 兩種類型。

更新日志

2個新插件

• rabbitmq_trust_store which manages
  trusted client x509/TLS certificates

• rabbitmq_jms_topic_exchange which, together with RabbitMQ JMS Java client, provides support for the JMS 1.1 API
  atop RabbitMQ.

Server

Bug修復

• (Newly elected) queue master process could terminate immediately after promotion GitHub issue: rabbitmq-server#812

• Priority queue mirror could fail to synchronize after restart GitHub issues: rabbitmq-server#687, rabbitmq-server#802

• Shutdown timeouts for worker processes are now much more reasonable. Earlier the timeouts were virtually infinite which could lead to a deadlock during node shutdown. GitHub issue: rabbitmq-server#541

• Purging of a durable queue could result in undelivered publisher confirms. Contributed by Andreas Ländle. GitHub issue: rabbitmq-server#854

• Old incarnations of queue mirrors are now ensured to be stopped before new ones are started GitHub issue: rabbitmq-server#863

功能增強

• systemd support in Debian and RPM packages Contributed by Alexey Lebedeff (Mirantis). GitHub issue: rabbitmq-server#570

• Debian repository and release artifacts are now signed with a new 4096-bit OpenGPG key GitHub issue: rabbitmq-server#718

• More resilient worker_pool, particularly important for LDAP plugin users GitHub issue: rabbitmq-server#834

• More efficient file handle management GitHub issue: rabbitmq-server#828

• Test suite ported to Common Test Plugin developers will be encouraged to port their test suites to Common Test in the future. GitHub issue: rabbitmq-server#725

• Compilation on Erlang/OTP 19.0. GitHub issue: rabbitmq-server#860

插件管理

功能增強

• New API endpoint for reporting ETS tables memory consumption (absolute and relative) GitHub issue: rabbitmq-management#219

• Node information page now includes GC and context switching stats GitHub issue: rabbitmq-management#208

• Connection, channel, and queue information pages now include several runtime metrics GitHub issues: rabbitmq-management#209, rabbitmq-management#210, rabbitmq-management#211

• Node metrics now include information about how long it takes to obtain a file handle GitHub issue: rabbitmq-server#825

• Partial HTTPS support in rabbitmqadmin on Python versions older than 2.7.9 GitHub issue: rabbitmq-management#225

Bug修復

• A channel statistics-related memory leak fixed. GitHub issue: rabbitmq-management#214

• Stats collectors event queue is now bounded (again) GitHub issue: rabbitmq-management#221

• Stats table name was logged as a tuple GitHub issue: rabbitmq-management#206

.NET Client

Bug修復

• Setting user-provided connection name didn't have an effect. GitHub issue: rabbitmq-dotnet-client#187

• IConnection#CreateModel could throw a NullPointerException due to a race condition. GitHub issue: rabbitmq-dotnet-client#185

• Connections with automatic recovery enabled ignored ports from the hostname list. GitHub issues: rabbitmq-dotnet-client#157, rabbitmq-dotnet-client#190

• Fixes an underflow in delivery tag handling after connection recovery Contributed by @harishvadali and @Entroper. GitHub issue: rabbitmq-dotnet-client#200

功能增強

• New FAKE and Paket-based build tooling: development on OS X and Linux with Mono is now possible again. GitHub issue: rabbitmq-dotnet-client#169

LDAP Plugin

功能增強

• Nested groups are now supported with a separate query type GitHub issue: rabbitmq-auth-backend-ldap#3

Bug 修復

• Query failures (e.g. noSuchObject responses) from LDAP servers are now correctly treated asfalse in or and and queries instead of erroring. GitHub issue: rabbitmq-auth-backend-ldap#48

更多日志見：rabbitmq_v3_6_3_rc2

下載

• 274 KBamqp_client-3.6.2.904.ez
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• 1.17 MBrabbitmq-java-client-bin-3.6.2.904.tar.gz
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• 6.91 KBrabbitmq-server_3.6.2.904-1.debian.tar.gz
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• 2 KBrabbitmq-server_3.6.2.904-1.dsc
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• 5.21 MBrabbitmq-server_3.6.2.904-1_all.deb
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• 2.43 KBrabbitmq-server_3.6.2.904-1_i386.changes
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• 2.89 MBrabbitmq-server_3.6.2.904.orig.tar.xz
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• 726 KBrabbit_common-3.6.2.904.ez
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• Source code (zip)
• Source code (tar.gz)