RabbitMQ v3.6.4 Milestone 1 發布，AMQP消息服務器

jopen 9年前發布 | 7K 次閱讀 RabbitMQ AMQP 中間件

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

Server

Bug修復

  • Nodes on Windows will successfully start if Erlang is installed in a directory with spaces
    in the path.

    GitHub issue: rabbitmq-server#859

  • Node health check is now node-local, is it was meant to be.

    GitHub issue: rabbitmq-server#818

  • Queue deletion and termination will no longer leave "tomb stone" messages in message store
    files. This eliminates the confusing behavior when a node or cluster having no messages
    enqueued could have many thousands of such "marker" messages in the message store.

    GitHub issue: rabbitmq-server#839

功能增強

  • Erlang VM scheduler binding type default has changed to db. This means fewer
    CPU context switches for some workloads.

    GitHub issue: rabbitmq-server#612

Management Plugin

Bug修復

  • HTTP API is now compatible with Erlang 19.0.

    GitHub issue: rabbitmq-management#244

  • Temporary tables are no longer named using atoms, preventing a potential
    exhaustion of the runtime atom table.

    GitHub issue: rabbitmq-management#245

  • Runtime metric charts now have a description pop-up associated with them.

    GitHub issue: rabbitmq-management#247

Java Client

功能增強

  • The client will now try to use TLS v1.2 and v1.1 before falling back to v1.0 by default.

    GitHub issue: rabbitmq-java-client#155

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