1. Canal realizes data synchronization Canal can be used to monitor changes in database data to obtain new or modified data. 1.1 Working principle of Canal The principle is relatively simple: 1. Canal simulates the interaction protocol of mysql slave, disguises itself as mysql slave, and sends the dump protocol to mysql master. 2. The […]
Tag: sync
[Linux]Thread synchronization
[Linux]Thread synchronization Article directory [Linux]Thread synchronization Thread synchronization Thread starvation problem concept Thread synchronization control–condition variables pthread_cond_init function pthread_cond_destroy function pthread_cond_wait function pthread_cond_signal function pthread_cond_broadcast function Examples of using functions related to condition variables producer consumer model Producer-consumer model based on BlockingQueue Thread synchronization control–POSIX semaphore concept sem_init function sem_wait function sem_post function sem_destroy function […]
Embedded Linux application development-driver collection-synchronization and mutual exclusion ① inline assembly
Embedded Linux application development-driver collection-synchronization and mutual exclusion ① inline assembly Chapter 1 Synchronization and Mutual Exclusion① 1.1 Inline assembly 1.1.1 Implementation of addition in C language 1.1.2 Use assembly functions to implement addition 1.1.3 Inline assembly syntax 1.1.4 Writing inline assembly to implement addition 1.1.5 Example of earlyclobber 1.2 Examples of failure of synchronization […]
Python Asynchronous Programming: Improving Performance with Asynchronous Programming
Python is an interpreted programming language with easy-to-use syntax and powerful library support. However, Python’s performance may be limited when processing large amounts of data or using network services. To improve performance, Python introduced an asynchronous programming model. In this article, we will discuss what asynchronous programming is, the asynchronous programming model in Python and […]
Embedded Linux application development – driver collection – synchronization and mutual exclusion ② implementation of atomic operations
Embedded Linux application development-driver collection-implementation of synchronization and mutual exclusion ② atomic operations Chapter 1 Synchronization and Mutual Exclusion② 1.3 Implementation principles and usage of atomic operations 1.3.1 Kernel operation functions of atomic variables 1.3.2 Kernel implementation of atomic variables 1.3.2.1 Implementation of ATOMIC_OP in UP system 1.3.2.2 Implementation of ATOMIC_OP in SMP system 1.3.3 […]
Embedded Linux application development – driver collection – synchronization and mutual exclusion ④ implementation of spin lock/semaphore/mutex
Embedded Linux application development-driver collection-synchronization and mutual exclusion ④ implementation of spin lock/semaphore/mutex Chapter 1 Synchronization and Mutual Exclusion④ 1.5 Implementation of spinlock spinlock 1.5.1 Spin lock kernel structure 1.5.2 Implementation of spinlock in UP system 1.5.3 Implementation of spinlock in SMP system 1.6 Implementation of semaphore 1.6.1 Kernel structure of semaphore 1.6.2 Implementation of […]
Embedded Linux application development-Driver Collection-Introduction and use of synchronization and mutual exclusion ③ locks
Embedded Linux application development-driver collection-introduction and use of synchronization and mutual exclusion ③ locks Chapter 1 Synchronization and Mutual Exclusion③ 1.4 Introduction and use of Linux lock 1.4.1 Types of locks 1.4.1.1 Spin lock 1.4.1.2 Sleep lock 1.4.2 Lock kernel function 1.4.2.1 Spin lock 1.4.2.2 Semaphore 1.4.2.3 Mutex 1.4.2.4 The difference between semaphore and mutex […]
CompletableFuture asynchronous orchestration
Table of Contents CompletableFuture’s detailed explanation Code Test Introduction of configuration classes Demo1 Demo2 The difference between the async suffix function of CompletableFuture and the function without async The difference between ThreadPoolTaskExecutor and ThreadPoolExecutor Use of Spring thread pool The reason why business uses multi-threading Scene 1: Scene 2: FutureTask introduction Why does the thread […]
Operating System – The most detailed explanation of the classic synchronization problem (Series 1 – Consumer Producer Problem)
Directory: 1. Producer and consumer issues (1) Single producer, consumer (2) Multiple producers and consumers (3) Practice questions Producer and consumer issues are often the focus of exams, so mastering this issue is critical. This article will focus on typical producer and consumer problems from simple to difficult, from easy to deep. Finally, we provide […]
92. Redis ——- Methods and steps for using Lettuce to operate Redis database and demonstrations of three styles of operating Redis database (synchronous sync, asynchronous async, reactive Reactive)
lettuce: English meaning: lettuce It is a framework for operating redis. Springboot also supports lettuce by default. You can also change it to jedis. Jedis is also a framework used to operate redis Lettuce’s core API RedisURI: used to encapsulate the URI information of the Redis server. RedisClient: Represents the Redis client. If you connect […]