RabbitMQ

RabbitMQ-2介绍

由 狂风中的少年 提交于 2020-12-16 04:28:34
简介 RabbitMQ：接受消息再传递消息，可以视为一个"邮局"。发送者和接受者通过队列来进行交互，队列的大小可以视为无限的，多个发送者可以发生给一个队列，多个接收者也可以从一个队列中接受消息。 code rabbitmq使用的协议是amqp，用于python的推荐客户端是pika pip install pika -i https://pypi.douban.com/simple/ 生产者：send.py import pika # 建立一个连接 connection = pika.BlockingConnection(pika.ConnectionParameters( 'localhost')) # 连接本地的RabbitMQ服务器 channel = connection.channel() # 获得channel 这里链接的是本机的，如果想要连接其他机器上的服务器，只要填入地址或主机名即可。 接下来我们开始发送消息了，注意要确保接受消息的队列是存在的，否则rabbitmq就丢弃掉该消息. channel.queue_declare(queue='hello') # 在RabbitMQ中创建hello这个队列 channel.basic_publish(exchange='', # 使用默认的exchange来发送消息到队列 routing_key='hello', #

优秀！一鼓作气学会“一致性哈希”，就靠这 18 张图了

由 两盒软妹~` 提交于 2020-12-15 12:58:50
Python实战社群 Java实战社群 长按识别下方二维码， 按需求添加 扫码关注添加客服 进Python社群▲ 扫码关注添加客服 进Java社群 ▲ 作者丨四猿外 来源丨四猿外（ID：si-yuanwai） 前言 当架构师大刘看到实习生小李提交的 记账流水乱序 的问题的时候，他知道没错了：这一次，大刘又要用一致性哈希这个老伙计来解决这个问题了。 嗯，一致性哈希，分布式架构师必备良药，让我们一起来尝尝它。 1. 满眼都是自己二十年前的样子，让我们从哈希开始 在 N 年前，互联网的分布式架构方兴未艾。大刘所在的公司由于业务需要，引入了一套由 IBM 团队设计的业务架构。 这套架构采用了分布式的思想，通过 RabbitMQ 的消息中间件来通信。这套架构，在当时的年代里，算是思想超前，技术少见的黑科技架构了。 但是，由于当年分布式技术落地并不广泛，有很多尚不成熟的地方。所以，这套架构在经年日久的使用中，一些问题逐渐突出。其中，最典型的问题有两个： RabbitMQ 是个单点，它一坏掉，整个系统就会全部瘫痪。 收、发消息的业务系统也是单点。任何一点出现问题，对应队列的消息要么无从消费，要么海量消息堆积。 无论哪种问题，最终是整套分布式系统都无法使用，后续处理非常麻烦。 对于 RabbitMQ 的单点问题，由于当时 RabbitMQ 的集群功能非常弱，普通模式有 queue 本身的单点问题

How to manage publish connection per request on rabbitmq(rascal.js)

由 被刻印的时光 ゝ 提交于 2020-12-15 07:06:18
问题 I am using Rascal.Js(it uses amqplib) for my messaging logic with rabbitMq on node.js app. I am using something similar to their example on my project startup, which creates a permanent instance and "registers" all of my subscribers and redirects messages when they arrive to the queue (in the background). My issue is with the publishers. There are http requests from outside which should trigger my publishers. A user clicks on create button of sorts which leads to certain flow of actions. At

How to manage publish connection per request on rabbitmq(rascal.js)

由 一曲冷凌霜 提交于 2020-12-15 07:05:30
问题 I am using Rascal.Js(it uses amqplib) for my messaging logic with rabbitMq on node.js app. I am using something similar to their example on my project startup, which creates a permanent instance and "registers" all of my subscribers and redirects messages when they arrive to the queue (in the background). My issue is with the publishers. There are http requests from outside which should trigger my publishers. A user clicks on create button of sorts which leads to certain flow of actions. At

Is it posible to expose 5001 (HTTP) and 5672 (TCP) ports in a Cloud Run Service?

由 谁都会走 提交于 2020-12-15 02:58:40
问题 I am setting up a solution in Google Cloud. I need a RabbitMQ queue broker and a WebAPI developed in .NET Core 2.2. The idea is for the WebAPI to connect to RabbitMQ to receive messages. I have mounted RabbitMQ with GKE in a cluster of kubernetes with RabbitMQ Cluster, obtained in Marketplace. I have mounted the WebAPI in Cloud Run. Both components are raised in a standard way, without any particularity for publication. The WebAPI uses port 5001 for HTTP traffic, and apparently the listener

Is it posible to expose 5001 (HTTP) and 5672 (TCP) ports in a Cloud Run Service?

由 谁都会走 提交于 2020-12-15 02:57:35
问题 I am setting up a solution in Google Cloud. I need a RabbitMQ queue broker and a WebAPI developed in .NET Core 2.2. The idea is for the WebAPI to connect to RabbitMQ to receive messages. I have mounted RabbitMQ with GKE in a cluster of kubernetes with RabbitMQ Cluster, obtained in Marketplace. I have mounted the WebAPI in Cloud Run. Both components are raised in a standard way, without any particularity for publication. The WebAPI uses port 5001 for HTTP traffic, and apparently the listener

Is it posible to expose 5001 (HTTP) and 5672 (TCP) ports in a Cloud Run Service?

由 六眼飞鱼酱① 提交于 2020-12-15 02:56:03
问题 I am setting up a solution in Google Cloud. I need a RabbitMQ queue broker and a WebAPI developed in .NET Core 2.2. The idea is for the WebAPI to connect to RabbitMQ to receive messages. I have mounted RabbitMQ with GKE in a cluster of kubernetes with RabbitMQ Cluster, obtained in Marketplace. I have mounted the WebAPI in Cloud Run. Both components are raised in a standard way, without any particularity for publication. The WebAPI uses port 5001 for HTTP traffic, and apparently the listener

Is it posible to expose 5001 (HTTP) and 5672 (TCP) ports in a Cloud Run Service?

由 我的梦境 提交于 2020-12-15 02:55:39
问题 I am setting up a solution in Google Cloud. I need a RabbitMQ queue broker and a WebAPI developed in .NET Core 2.2. The idea is for the WebAPI to connect to RabbitMQ to receive messages. I have mounted RabbitMQ with GKE in a cluster of kubernetes with RabbitMQ Cluster, obtained in Marketplace. I have mounted the WebAPI in Cloud Run. Both components are raised in a standard way, without any particularity for publication. The WebAPI uses port 5001 for HTTP traffic, and apparently the listener

rabbit安装

由 吃可爱长大的小学妹 提交于 2020-12-15 01:56:01
curl -s https://packagecloud.io/install/repositories/rabbitmq/erlang/script.deb.sh | sudo bash yum install erlang rpm --import https://packagecloud.io/rabbitmq/rabbitmq-server/gpgkey rpm --import https://packagecloud.io/gpg.key curl -s https://packagecloud.io/install/repositories/rabbitmq/rabbitmq-server/script.rpm.sh | sudo bash yum install rabbitmq-server-3.7.14-1.el7.noarch.rpm 选择相应的版本安装(el6是centos6，el7是centos7) chkconfig rabbitmq-server on service rabbitmq-server start 来源： oschina 链接： https://my.oschina.net/u/2549862/blog/3032772

pika rabbitmq docker with tls-gen connection reset, no logs

由 浪尽此生 提交于 2020-12-14 23:58:25
问题 I've configured a docker w rabbitmq, copied the certs from tls-gen there, stop/started and I can only get the connection established and a server reset right after sending a TLS Client Hello. No useful message from ssl. Logs all empty. Troubleshoot TLS guide didn't help. Thanks for any help. docker run -d -it --hostname=[REDACTED] -e RABBITMQ_LOGS=/var/log/rabbitmq/ -e RABBITMQ_SASL_LOGS=/var/log/rabbitmq/ -e RABBITMQ_DEFAULT_USER=[REDACTED] -e RABBITMQ_DEFAULT_PASS=[REDACTED] --name
订阅 RabbitMQ