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When Golang encounters high concurrency instant kill~

Below, the golang tutorial column will introduce to you when Golang encounters high concurrency flash sales. I hope it will be helpful to friends in need! Encountering the GO language is also an occasional opportunity. I am doing architecture-related things at work, and I must pay attention to the new and popular languages. In this way, I entered the world of GO language. GO brought me a brand new experience..

Oct 29, 2020 pm 03:10 PM

Golang

Introduction to Pyzmq

This article is about an introduction to Pyzmq.

Sep 02, 2020 pm 05:19 PM

pythonPyzmq

What are some common software architectures?

Common software architecture patterns: layered architecture pattern, client-server pattern, master-slave pattern, pipeline-filter pattern, proxy pattern, point-to-point pattern, event bus pattern, model-view-controller (MVC) pattern, blackboard pattern , interpreter mode, etc.

Aug 28, 2020 pm 03:24 PM

软件架构模式

Detailed explanation of Redis and queues

Below, the Redis tutorial column will explain Redis and queues in detail. I hope it will be helpful to friends in need! Redis can be used not only as a cache server but also as a message queue. Its list type inherently supports use as a message queue. Since the Redis list is implemented using a doubly linked list, the head and tail nodes are saved...

Aug 26, 2020 am 11:51 AM

Redis

How to implement automatic order cancellation in php

How to implement automatic order cancellation in PHP: 1. Scan the database or database scheduled tasks through a thread; 2. Use Redis; 3. Delay the queue through JDK; 4. Use RabbitMQ ActiveMQ JMS to determine whether the order has timed out, and send the message if the time is exceeded. delete.

Aug 12, 2020 am 09:32 AM

php

Share common Redis interview questions

Redis is an open source non-relational database written in ANSI C language, complies with the BSD protocol, supports network, can be memory-based and persistent log-type, Key-Value database, and provides APIs in multiple languages.

Jul 25, 2020 pm 01:35 PM

Redis面试题

15 PHP interview questions about high concurrency (summary)

This article shares some interview questions about high concurrency in PHP. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.

Jul 20, 2020 pm 05:13 PM

PHP高并发面试题

How does Redis implement delay queue? Method introduction

Delay queue, as the name suggests, is a message queue with delay function. So, under what circumstances do I need such a queue? 1. Background Let’s first look at the following business scenarios: when an order has been in an unpaid status, how to close the order in a timely manner, how to regularly check whether the order in the refund status has been refunded successfully, and the order does not receive the status of the downstream system for a long time. When notifying, how to implement a step-by-step strategy for synchronizing order status? When the system notifies the upstream system of the final status of successful payment, the upstream system returns a notification failure. How to perform asynchronous notifications and implement frequency-divided sending:..._redis implements delayed confrontation

Jul 08, 2020 pm 04:01 PM

redis延迟队列

What is the difference between activemq and rabbitmq?

The difference between activemq and rabbitmq is: 1. activemq is an old message queue, written in Java language, has the best support for JMS, and uses multi-thread concurrency; 2. rabbitmq is the leading implementation of the AMQP protocol, supporting multiple scenarios, Taobao's MySQL It is used for communication within the cluster.

Jul 02, 2020 am 11:40 AM

activemqrabbitmq

How to confirm with message in springboot + rabbitmq

This time I share how [springboot + rabbitmq] implements the message confirmation mechanism, and some pitfall experience in actual development. In fact, the overall content is relatively simple. Sometimes things are so magical. The simpler things are, the easier they are. Something went wrong.

Jul 01, 2020 pm 05:35 PM

javaspringbootrabbitmq

What are message queues?

Message queues include: 1. RabbitMQ, which is a reusable enterprise messaging system based on AMQP and is one of the most mainstream message middlewares currently; 2. ActiveMQ, which fully supports JMS1.1 and J2EE1. 4 standard [JMS Provider] implementation.

Jun 29, 2020 am 11:30 AM

消息队列

Look, SVN can be used between the virtual machine and the host machine.

❝ As programmers, we should still try more. When writing rabbitmq, because it is operated in a virtual machine, it is difficult to take screenshots. In order to show you better results, I will write a host and virtual machine for you. The operation process of using svn between machines. ❞

Jun 24, 2020 pm 03:46 PM

SVN

After reading this article, there is absolutely no problem installing laravel-queue-rabbitmq.

❝I searched countless information on how to install laravel-queue-rabbitmq using laravel, and the articles that came out were all the same, but they just couldn’t be installed. After several hours, I finally got it. This tutorial is for you who are installing it. ❞

Jun 23, 2020 pm 02:57 PM

laravelrabbitmq

laravel installation and php-fpm, nginx configuration self-starting

❝I have always used TP for my work. This time when I was building RabbitMQ, I thought of using larave to build it. During the building process, I configured php-fpm and nginx to start automatically. From one installation of laravel to other points, this article will bring you A different experience.❞

Jun 24, 2020 pm 03:35 PM

laravel