RabbitMQ v3.6.10 Milestone 2 發布，AMQP消息服務器

jopen 7年前發布 | 5K 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

Bug 修復

  • Non-numerical values for numerical stats are now handled safety by stats aggregation. For example, if free disk space monitor had to stop reporting data because it could not parse external tool output that would break HTTP API GET /api/overview responses.

GitHub issue: rabbitmq-management#375.

  • Stats are no longer emitted for connections that are not considered to be in the fully initialised state.

    GitHub issue: rabbitmq-management-agent#42

  • POST requests now instruct clients to close TCP connections.

    In some popular browsers (Chrome, Internet Explorer) a POST request followed by an immediate GETrequest
    would result in a 400 response. Other browsers do no exhibit this behaviour. Since HTTP API is not meant to be
    on the hot code path and most requests are GET ones, disabling persistent HTTP connections
    for POST requests is a reasonable trade-off.

    GitHub issue: rabbitmq-management#377

  • Sample retention policies are now validated more strictly to avoid configurations that
    are not supported and will lead to exceptions.

    GitHub issue: rabbitmq-management-agent#41

  • UI operation for binding deletion did not respect optional (extra) binding arguments.

    GitHub issue: rabbitmq-management#243

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