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- what is mysql router
- MySQL Router is a lightweight middleware officially provided by MySQL and is part of the InnoDB Cluster. It can provide transparent routing between applications and back-end MySQL servers; it is mainly used to solve the high availability and load of the MySQL master-slave database cluster. Issues such as balance and easy expansion. MySQL Router provides a virtual IP for the database cluster as a single connection point for the application. Through this single connection point, it can realize load balancing, read-write separation, failover and other database high-availability solutions.
- Mysql Tutorial . lvs 4589 2023-04-13 15:15:25
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- Is tidb the go language?
- Yes, TiDB is written in go language. TiDB is a distributed NewSQL database; it supports horizontal elastic expansion, ACID transactions, standard SQL, MySQL syntax and MySQL protocol, and has strong data consistency and high availability features. The PD in the TiDB architecture stores the meta-information of the cluster, such as which TiKV node the key is on; the PD is also responsible for the load balancing and data sharding of the cluster. PD supports data distribution and fault tolerance by embedding etcd; PD is written in go language.
- Golang . lvs 6505 2022-12-02 18:24:17
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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 4619 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 487 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 13678 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 7221 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 2821 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 8700 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 4121 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 2861 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 5200 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 2276 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 4226 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 3335 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 5240 2023-02-25 13:44:01
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