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- 12306 ticket grabbing, thoughts brought about by extreme concurrency!
- The author has specifically studied the server architecture of "12306" and learned many highlights of its system design. Here I will share with you and simulate an example: how to provide normal service when 1 million people are grabbing 10,000 train tickets at the same time. , stable service.
- headlines . lvs 4284 2022-05-13 20:14:50
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- High concurrency and large traffic solution
- 1. Concepts related to high concurrency architecture High concurrency concept: concurrency, high concurrency, usually refers to concurrent access. That is, at a certain point in time, how many visits come at the same time. 2. Regarding the issue of high concurrency, what should we collectively be concerned about? qps: The number of requests or queries per second. In the Internet field, it refers to the number of response requests per second (http requests). Throughput: the number of requests processed per unit time (usually determined by QPS and the number of concurrency). Response time, from the request sent The time it takes to receive a response, for example, it takes 100ms for the system to process an http request. This 100ms hormone hi system...
- PHP Knowledge . lvs 320 2022-04-12 09:04:09
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- What does linux operation and maintenance do?
- The work done by Linux operation and maintenance: 1. Service monitoring; 2. Service fault management; 3. Service capacity management; 4. Service performance optimization; 5. Service global traffic scheduling; 6. Service task scheduling; 7. Service security guarantee; 8 , Automatic service release and deployment; 9. Service cluster management; 10. Database management, etc.
- Linux Operation and Maintenance . lvs 13468 2022-03-02 14:08:58
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- A list of genuine software for programmers. Have you used these genuine software?
- Using genuine products is a sign of respect for our profession, isn't it? Okay, let’s talk about other topics. As a programmer, have you ever used pirated software?
- headlines . lvs 7036 2021-09-03 12:00:38
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- What are clusters and LVS?
- A cluster is a group of computers interconnected through a high-speed network and managed in a single system mode; many servers are brought together to provide the same service, and it appears to the client as if there is only one server. LVS (Linux Virtual Server) is a virtual server cluster system.
- Common Problem . lvs 2645 2020-08-18 11:00:49
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- what does lvs mean
- LVS is the abbreviation of Linux Virtual Server, which means Linux virtual server and is a virtual server cluster system. This project was established by Dr. Zhang Wensong in May 1998. It is one of the earliest free software projects in China.
- Linux Operation and Maintenance . lvs 8524 2020-06-29 14:09:38
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- What does cluster LVS mean?
- The full English name of cluster LVS is "Linux Virtual Server", which means load balancing. It is an architecture similar to iptables. There is a piece of code in the kernel that is used to monitor requests from the source of data packets in real time, and redirect the data packets when they arrive at the port. This series of work must be implemented in the kernel.
- Common Problem . lvs 3942 2020-05-30 13:58:28
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- What knowledge should I learn about Linux operation and maintenance?
- Knowledge you need to learn for Linux operation and maintenance: 1. Basic knowledge of Linux and Linux operating system; 2. Bash script programming; 3. Text processing commands; 4. Database; 5. Firewall; 6. Monitoring tools; 7. Cluster and hot backup; 8. Data backup; 9. Automated operation and maintenance tools; 10. Cloud platform, etc.
- Linux Operation and Maintenance . lvs 2692 2020-05-11 18:30:23
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- The method and function of workerman writing mysql connection pool
- Workerman is an open source high-performance asynchronous PHP socket instant messaging framework. It has many high-performance components such as asynchronous Mysql, Redis, and Dns. This article introduces the method and function of writing mysql connection pool in Workerman.
- Workerman . lvs 4939 2021-02-01 12:07:14
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- workerman writes mysql connection pool
- Workerman is an open source high-performance asynchronous PHP socket instant messaging framework. Supports high concurrency and ultra-high stability. This tutorial introduces how to write mysql connection pool in Workerman. I hope it will be helpful when you use the Workerman framework.
- Workerman . lvs 2081 2019-12-19 17:19:11
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- The difference between redis cluster and distributed
- The difference between redis cluster and distributed: Distributed refers to splitting the business system, that is, each distributed node implements different functions. A cluster is a group of service entities that work together to provide a service platform that is more scalable and available than a single service entity.
- Redis . lvs 4060 2019-11-22 14:24:47
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- What does php high concurrency website mean?
- PHP high-concurrency websites usually refer to websites that are designed to ensure that the system can process many requests in parallel at the same time. Generally speaking, effective means to solve high-concurrency WEB use a multi-layer distributed architecture that can be linearly expanded.
- PHP Problem . lvs 3166 2023-02-26 19:54:02
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- Can php pages be cdn?
- PHP pages can be cached by CDN. CDN caching is essentially space-for-time, automatically selecting the nearest node content and requesting the original server if it does not exist. It is suitable for storing static content with few updates.
- PHP Problem . lvs 5028 2023-02-25 13:44:01
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- How long does it take to learn linux by yourself
- The Linux learning cycle varies from person to person. If you have a good learning plan and study 4 to 5 hours a day for 3 to 6 months, you should be able to master the basic operations of Linux. However, if you only have a plan but no implementation, That's a different story. If you want to learn the Linux operating system more deeply and save time, it is recommended to enroll in a class.
- Linux Operation and Maintenance . lvs 12881 2019-06-19 17:52:33
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- linux learning route
- Linux learning routes such as: Linux basic knowledge, basic commands (origin, composition, common commands such as cp, ls, file, mkdir and other common operating commands); Basics of Linux users and permissions; Advanced Linux system process management; Linux efficient text and files Processing commands and more.
- Linux Operation and Maintenance . lvs 11837 2019-06-06 13:59:05
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