Question

请转到[this] [1]资源并粘贴方案JSON以显示它：

https://jmcle.github.io/rabbitmq-visualizer/#

JSON scheme is:

{
  "exchanges": [
    {
      "name": "topic.exch",
      "type": "2",
      "x": 299,
      "y": 246,
      "resource_type": "exchange",
      "id": 1
    },
    {
      "name": "exchange57",
      "resource_type": "exchange",
      "id": 57,
      "type": "1",
      "x": 382,
      "y": 67
    }
  ],
  "queues": [
    {
      "name": "queue51",
      "resource_type": "queue",
      "id": 51,
      "type": 0,
      "x": 704,
      "y": 203,
      "messages": [],
      "totalConsumers": 1,
      "lastConsumer": 0
    },
    {
      "name": "queue52",
      "resource_type": "queue",
      "id": 52,
      "type": 0,
      "x": 688,
      "y": 60,
      "messages": [],
      "totalConsumers": 1,
      "lastConsumer": 0
    },
    {
      "name": "queue70",
      "resource_type": "queue",
      "id": 70,
      "type": 0,
      "x": 477,
      "y": 202,
      "messages": [
        "75",
        "76",
        "77"
      ]
    }
  ],
  "bindings": [
    {
      "source": 8,
      "vhost": "default",
      "source_type": "producer",
      "destination": 1,
      "destination_type": "exchange",
      "id": 16,
      "routing_key": "di.usr.one",
      "arguments": []
    },
    {
      "source": 9,
      "vhost": "default",
      "source_type": "producer",
      "destination": 1,
      "destination_type": "exchange",
      "id": 17,
      "routing_key": "di.usr.two",
      "arguments": []
    },
    {
      "source": 52,
      "vhost": "demo",
      "destination": 10,
      "destination_type": "consumer",
      "routing_key": "key",
      "arguments": [],
      "id": 55,
      "source_type": "queue"
    },
    {
      "source": 51,
      "vhost": "demo",
      "destination": 32,
      "destination_type": "consumer",
      "routing_key": "key",
      "arguments": [],
      "id": 56,
      "source_type": "queue"
    },
    {
      "source": 57,
      "vhost": "demo",
      "destination": 52,
      "destination_type": "queue",
      "routing_key": "key",
      "arguments": [],
      "id": 59,
      "source_type": "exchange"
    },
    {
      "source": 57,
      "vhost": "demo",
      "destination": 51,
      "destination_type": "queue",
      "routing_key": "key",
      "arguments": [],
      "id": 60,
      "source_type": "exchange"
    },
    {
      "source": 57,
      "vhost": "demo",
      "destination": 70,
      "destination_type": "queue",
      "routing_key": "key",
      "arguments": [],
      "id": 71,
      "source_type": "exchange"
    },
    {
      "source": 1,
      "vhost": "demo",
      "destination": 57,
      "destination_type": "exchange",
      "routing_key": "russia.moscow",
      "arguments": [],
      "id": 72,
      "source_type": "exchange"
    }
  ],
  "producers": [
    {
      "name": "russia.moscow",
      "x": 157,
      "y": 152,
      "interval": 5,
      "publish": {
        "to": 1,
        "payload": "one",
        "routing_key": "di.usr.one"
      },
      "resource_type": "producer",
      "id": 8
    },
    {
      "name": "ukraine.kiev",
      "x": 106,
      "y": 306,
      "interval": 5,
      "publish": {
        "to": 1,
        "payload": "two",
        "routing_key": "di.usr.two"
      },
      "resource_type": "producer",
      "id": 9
    }
  ],
  "consumers": [
    {
      "name": "app.one.a",
      "x": 850,
      "y": 64,
      "consume": 2,
      "resource_type": "consumer",
      "id": 10
    },
    {
      "name": "app.one.b",
      "resource_type": "consumer",
      "id": 32,
      "type": 0,
      "x": 856,
      "y": 181
    }
  ]
}

如您所见，我让生产者将具有特定键的消息发送到主题交换，然后将交换重定向消息发送到扇出交换，以将消息发送到所有队列。 / p>

什么是缺点和狭窄的地方？
С消息迷路了吗？
它如何扩展？

Answer 1

很可能，所有与主题russia.moscow匹配的 not 消息都不会被路由到任何队列。这样的消息将被丢弃。这是不利吗？只有您可以根据此设置执行的操作。

这样的规模吗？为什么不呢？

在RabbitMQ方案中，缺点和狭窄之处是什么？

1 个答案: