We all know that POST is generally used to submit data to the server. The four formats of POST submitted data are the four forms of Content-Type. Pay special attention to the format of the data in the body when http sends a request in each format. The 4 forms are: 1. application/x-www-form-urlencoded: URL encoded. […]
Tag: master
A redis3 master-3-slave cluster built based on hash slots using docker containers
1. Construction background Cluster mode-docker version, hash slot partition for billion-level data storage 1. 100-200 million pieces of data need to be cached. How to design it? Answer: Using distributed storage, there are generally three solutions in the industry The first type: hash remainder partition (generally used by small factories) Disadvantages: The biggest disadvantage of […]
Python crawls webmaster materials website pictures of a certain series
Use Pyhton to crawl images (customize request path, match resources) Article directory 1. Learning purpose: 2. Code part 1. Create a customized request object 2. The second step is the positioning of target resources. 3. Write code 4. Summary of content and shortcomings 1. Learning purpose: Learn python request customization based on website connection Learn […]
AI godfather Hinton’s family tree revealed! All scientific masters! He once said frankly: My pursuit in life is just to graduate with a Ph.D., and work is my only relaxation…
Click the Card below and follow the “CVer” public account AI/CV heavy-duty information, delivered as soon as possible Click to enter->[Computer Vision and Transformer] Communication Group Reprinted from: Xinzhiyuan | Editor: Run So sleepy Scan the QR code to join CVer Knowledge Planet, you can quickly learn the paper ideas from the latest top conferences […]
Mysql configuration master-slave replication-GTID mode
Table of Contents master-slave replication Definition of master-slave replication The principle of master-slave replication Advantages of master-slave replication Master-slave replication form Master-slave replication mode Type of master-slave replication GTID mode The concept of GTID Advantages of GTID The principle of GTID GTID configuration Mysql main server ?edit Mysql slave server ?edit Master-slave replication Definition of […]
AI godfather Hinton’s family tree revealed! All scientific masters! He once said frankly: My pursuit in life is just to graduate with a Ph.D., and work is my only relaxation…
Click the Card below and follow the “CVer” public account AI/CV heavy-duty information, delivered as soon as possible Click to enter->[Computer Vision and Transformer] Communication Group Reprinted from: Xinzhiyuan | Editor: Run So sleepy Scan the QR code to join CVer Knowledge Planet, you can quickly learn the paper ideas from the latest top conferences […]
MySQL single table is too large, master-slave mode, synchronization mode optimization principle
Article directory Is the performance of MYSQL severely degraded when the data in a single table reaches 20 million? Preface InnoDB index data structure B + tree Sharding Sphere sub-database and table Sharding-JDBC Sharding-JDBC related concept description logical table Broadcast table binding table Sharding-Sharding strategy in JDBC Automatic sharding algorithm Modulo sharding algorithm Hash modulo […]
Locust single-machine multi-core stress test, and data communication processing of master-slave nodes
Let me briefly explain the background first. Before the APP is launched, the login interface needs to be performance tested. After evaluation, I gave priority to locust for script development. This time I used locust’s single-machine multi-core running capability, but it also involves data communication between master and slave nodes. There are very few effective […]
[MySQL5.7 Kirin system, offline installation under ARM architecture, building master-slave cluster]
MySQL5.7 Master-Slave Cluster Deployment Manual 1. Check the local operating system #Be sure to check the operating system of the machine, whether it is amd (x86) or arm (aarch) architecture uname -a cat /etc/os-release Note: MsSQL8.0 has only supported arm architecture since then. We can go to a third party to download the compiled installation […]
[Redis] Mastering Chapter–Integrating Redis and SSM
Welcome Huihui’s Code World ! !? ? Let’s take a look at the related operations of Redis written by Huihui Table of Contents Welcome Huihui’s Code World! ! 1. Integration of Redis and SSM 1. Add Redis dependency 2.Related configurations of spring-redis.xml ①Register a redis.properties applicationContext ②.Configure data source [Connection Pool] ③.Connect factory ④.Configure serializer […]