Category: The back-end

The back-end

How does Zookeeper ensure data consistency in distributed systems

January 31, 2024

by Vanessa Stewart

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ZAB is the core algorithm used by ZooKeeper to ensure data consistency in distributed systems. ZooKeeper ensures data consistency based on ZAB broadcast crash recovery...

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The back-end

Netty Quick Start (05) Java NIO introduction -Selector

January 31, 2024

by Dharmajan Srinivas

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JavaNIOSelectorSelector is a component in JavaNIO that checks whether one or more NioChannels are in a readable, writable state. In this way, a single thread...

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The back-end

MySQL doesn’t smell good, why noSQL?

January 31, 2024

by 李家瑋

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Today, the 14th article in our distributed series, we take a look at NoSQL databases. In fact, I have wanted to write about distributed database...

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The back-end

(02) Dubbo micro service combat – SMS verification code service

January 31, 2024

by Mr. Josh Carroll

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The SMS verification code service is mainly used for mobile phone number + verification code login, registration, mobile phone number binding, and password change. This...

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The back-end

Talk to Raft

January 31, 2024

by Cole Salas

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When it comes to distributed coordination components, the first thing that comes to mind is the well-known Zookeeper. Like Kafka (the latest version of Kafka...

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The back-end

Is it said that 60% of Java programmers don’t understand distributed consistency? I got it all figured out this time!

January 31, 2024

by Kim Hamilton

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Distributed consistency is an important and widely explored and demonstrated problem in computer science. Let's start with three business scenarios. If our end user is...

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The back-end

At 19:00 on January 10, Taobao research standardization agreement library XQUIC officially open source!

January 31, 2024

by Gemma Barnett

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At 19:00 on January 10, Taobao research standardization agreement library XQUIC officially open source! Back to Basic, independent innovation standard practice, open to create excellent...

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The back-end

Python has taken over the GUI again. Today I’ll tell you how to play

January 31, 2024

by 張家銘

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From the above description, we can see that no matter you are running Mac OS or Windows, it can generate the corresponding operating interface, which...

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The back-end

I was caught off guard by Kafka dropping messages in this way during Singles’ Day

January 31, 2024

by John Morrison-Kennedy

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To tell you the truth, my double eleven this year a little "back", responsible for the Kafka cluster out of some uneventful, but it is...

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The back-end

With so many IDEA plugins installed, do you know how they work?

January 31, 2024

by Onkar Sharma

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In the process of daily use of some software, some plug-ins are installed to meet some personalized requirements. For example, we install "Maven Helper" plug-in...

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The back-end

ArrayList underlying structure and source code analysis

January 31, 2024

by 趙雅筑

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ArrayList can be null, and there are more than one. An ArrayList is implemented by arrays; ArrayList is basically the same as Vector, except that...

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The back-end

Python Calendar GUI application using Tkinter

January 31, 2024

by Bailey McNabb

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In Python, we can use Tkinter to make guIs. If you are very imaginative and creative, you can make a lot of interesting things with...

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The back-end

The SpringBoot project integrates with the globally unique ID generator

January 31, 2024

by Stacey Jones

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UidGenerator is a Java implementation, based on Snowflake algorithm unique ID generator. The UidGenerator works as a component in an application project, supports custom workerId...

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The back-end

What are the most 153 Spring family interview questions you have encountered? (Including answer analysis)

January 31, 2024

by Joanne Jackson

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Spring framework has been favored by developers since its birth, and some people affectionately call it: Spring family bucket. Spring has undoubtedly become the industry...

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The back-end

One minute to learn about Redis avalanche, penetration and breakdown, and solutions

January 31, 2024

by Elizabeth Ford

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Foreword Several collapse analysis solutions for Redis include what is Redis avalanche, penetration and breakdown? What happens when Redis crashes? How does the system deal...

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The back-end

“Microservices & Nameko” Python Microservices practice

January 31, 2024

by Brittany Hampton

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In a nutshell, Microservices are a way of developing a single application as a suite of small services, each of which has its own processes...

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The back-end

Distributed interview question: How does a ZK cluster achieve high availability deployment?

January 31, 2024

by Kimberly Houston

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Zookeeper I think everyone is familiar with, in many occasions have heard its name. It is a top-level project of Apache that provides consistent high...

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The back-end

Set up NFS service based on CentOS 7 64-bit operating system

January 31, 2024

by Thomas Goodman

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Full name: Network File System. A web-based File System that enables multiple computers to share folders. The mount command is temporary and will become invalid...

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The back-end

Graphic: What is the Raft algorithm?

January 31, 2024

by Rebecca Carey

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In the previous article "Evolution of Microservices Architecture based on SpringCloud?" }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}

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The back-end

The 5 best ways to traverse a HashMap, I don’t believe you know them all! (Attached source code)

January 31, 2024

by Cynthia Smith

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If you're a programmer, even if you're just starting out or just learning, there's a technique you're probably familiar with, hashMap. It's a common technique...

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The back-end

Blood spit summary – index optimization manual used by 90% of programmer interviews

January 31, 2024

by 徐馨儀

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Indexes are special files (indexes on InnoDB tables are part of the table space) that contain Pointers to all the records in the table. More...

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The back-end

[Go language Adventure] online troubleshooting of strange log problems

January 31, 2024

by Bradley Norman

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ErrResult is of type *ErrorResult, and the GetRpcTracks function returns type *ErrorResult. After careful investigation, this possibility is ruled out. After scratching my head and...

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The back-end

[Dry stuff!!] Redis cache penetration, breakdown, avalanche

January 31, 2024

by 張佳穎

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How to effectively understand and tell the difference between Reids penetration, breakdown and avalanche has always puzzled me. In particular, penetration and breakdown, over a...

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The back-end

Manually implement the consistent Hash algorithm

January 31, 2024

by Matthew Hill

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The well-known consistent Hash algorithm is a high quality solution to solve the poor system scalability in distributed data layout or distributed environment. This paper...

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The back-end

Why don’t Spring Cache annotations on private methods take effect?

January 31, 2024

by Caleb Christiansen

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What's wrong with Spring Cache? Class internal method calls do not support caching. Spring AOP does not support caching on private methods

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The back-end

Concurrency security issues under the JDK

January 31, 2024

by William Gray

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If you are in a traditional industry, you may not be concerned about concurrency security. If you are developing OA, CRM, etc., these systems may...

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The back-end

Autossh reverse proxy enables Intranet penetration

January 31, 2024

by Thomas Holden

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Sometimes it is necessary to use some resources of personal PC at home in the company. In this case, Teamvieawer can be selected for remote...

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The back-end

Using Python to analyze Douban, the actor with the lowest rating turned out to be him

January 31, 2024

by Prerak Luthra

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Author: Xu Lin, currently working in Shanghai ViPSHOP Product Technology Center, Columbia University statistical data dog, engaged in data mining & analysis, like to play...

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The back-end

Hadoop learning (2) – MapReduce Yarn architecture

January 31, 2024

by Shamik Gaba

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This article starts with the MapReduce 1.x framework. This section describes the MapReduce 2.x/Yarn framework after MapReduce 1.x upgrade. Currently, the MapReduce 2. X /Yarn...

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The back-end

Is ten ordinated arithmantics obsolete

January 31, 2024

by Louise Evans

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Speaking of ten sorting algorithms, the following ten sorting algorithm summary graph is absolutely classic! As long as the learning algorithm will contact this algorithm...

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