Go language is suitable for programming. The go language itself is a statically strongly typed, compiled, concurrent programming language with garbage collection function. The Go language has many uses and can be used for network programming, system programming, concurrent programming, and distributed programming. The Go language can be used as a server programming The language is very suitable for dealing with a series of issues such as logs, data packaging, virtual machine processing, file systems, distributed systems, database agents, etc., including network programming, which is currently the most widely used, such as Web applications, API applications, download applications, etc.
The operating environment of this tutorial: Windows 10 system, go1.20.1 version, Dell G3 computer.
The Go language, also known as Golang, is a statically strongly typed, compiled, concurrent, and garbage collection programming language developed by Google.
The Go language (or Golang) originated in 2007 and was officially released in 2009. Go is a very young language, and its main goal is to "have both the development speed of dynamic languages such as Python and the performance and security of compiled languages such as C/C."
Go language is another attempt at programming language design and a major improvement over C-like languages. It not only allows you to access the underlying operating system, but also provides powerful network programming and concurrent programming support. Go language has many uses, and can be used for network programming, system programming, concurrent programming, distributed programming:
Server programming, if you used C or C to do those things before, it is very suitable to use Go to do it, for example Processing logs, data packaging, virtual machine processing, file systems, etc.
Distributed systems, database agents, middleware, etc., such as Etcd.
Network programming is currently the most widely used area, including Web applications, API applications, and download applications. Moreover, Go’s built-in net/http package basically implements all the network functions we usually use.
The launch of Go language aims to reduce the complexity of the code without losing application performance. It has the advantages of "simple deployment, good concurrency, good language design, and good execution performance". Currently, many domestic IT companies have adopted Go language to develop projects.
Many important open source projects are developed using the Go language, including Docker, Go-Ethereum, Thrraform and Kubernetes.
go language
The early source code of the Go language itself was written in C language and assembly language. Starting from Go 1.5 version, it is completely written in Go language itself. The source code of the Go language is of great reference significance for understanding the underlying scheduling of the Go language. Readers who want to have an in-depth understanding of the Go language are recommended to read it.
Kubernetes
A container scheduling service built on Docker developed by Google. Users can manage cloud container clusters through Kubernetes clusters.
etcd
A distributed, reliable KV storage system that can quickly perform cloud configuration.
beego
beego is a Tornado framework similar to Python. It adopts the design idea of RESTFul and is an extremely lightweight, highly scalable and high-performance Web application written in Go language. frame.
martini
A web framework for quickly building modular web applications.
codis
Excellent domestic distributed Redis solution.
delve
The powerful debugger of Go language is integrated by many integrated environments and editors.
Facebook is also using it. For this reason, they have also established an open source organization facebookgo on Github. You can check Facebook’s open source projects by visiting, such as the famous smooth upgrade grace.
Tencent
As a large domestic company, Tencent still dares to try, especially in the area of Docker containerization. They have implemented tens of thousands of Docker units in 2015. For details, please refer to
http://www.infoq.com/cn/articles/tencent-millions-scale-docker-application-practice
Baidu
Currently known Baidu’s It is used on the operation and maintenance side. It is a BFE project of Baidu operation and maintenance, responsible for the access of front-end traffic. Their person in charge shared something in 2016. You can take a look at this http://www.infoq.com/cn/presentations/application-of-golang-in-baidu-frontend
The second one is Baidu’s Messaging system. Responsible for the development and maintenance of the server side of the company's mobile messaging system.
JD
JD Cloud message push system, cloud storage, and JD Mall are all developed using Go.
Xiaomi
Xiaomi’s support for Golang is nothing more than the open source operation and maintenance monitoring system, which is http://open-falcon.com/.
In addition, teams such as Xiaomi Interactive Entertainment, Xiaomi Mall, Xiaomi Video, and Xiaomi Ecological Chain are all using Golang.
360
360 also uses Golang a lot. One is the open source log search system Poseidon, which is hosted on Github.
There is also 360’s push team. Using it, they also wrote a blog post on Golang’s official blog.
美团
Meituan’s background traffic support program. Scope of application: Support the backend traffic of the main website (sorting, recommendation, search, etc.), provide load balancing, cache, fault tolerance, conditional distribution, statistical operation indicators (qps, latency) and other functions.
Didi
Basic service platform.
金山微看
Application scope: service interface, background process service, message system, picture system
Sogou
Sogou push system. The part of the Push system used to maintain connections with clients.
. . . . .
Written at the end
Of course, whether a technology can be developed depends on three key points. (The following views are quoted from https://www.cnblogs.com/qwangxiao/p/8318894.html)
• Is there a better community? The ecosystems of C, C++, Java, Python and JavaScript are all very rich and popular. Especially communities with many commercial organizations participating are even more popular, such as the Linux community.
• Is there an industrial standard? C, C++, and Java all have standardized organizations. Java, in particular, has developed enterprise-level standards like J2EE in terms of architecture.
• Is there a killer app or apps? Needless to say, the killer applications of C, C and Java, even for PHP, which is not a good programming language, are key technologies in LAMP, the first killer solution in the Linux era, so, also developed. The above three points are very critical. New technologies only need to account for one or two of them to be very good. What's more, some technologies, such as Java, account for all three points. Therefore, the development of Java is so good.
Of course, in addition to the above three important points, there are also other influencing factors, such as:
Whether the learning curve is low and whether it is fast to get started. This is very important, and C is getting worse and worse at this point. Is there a good development framework that improves development efficiency? Such as: Java's Spring framework, C's STL, etc. Is it backed by one or more giant technology companies? For example: IBM and Sun behind Java and Linux...have they solved the pain points in software development? For example: Java solves the memory management problems of C and C.
Using these rulers to measure the Go language, we can clearly see:
Go language is easy to use;
Go language solves the problem of concurrent programming and low-level application development The pain point of efficiency;
The Go language is backed by Google, a world-class technology company;
The killer application of the Go language is Docker, and the Docker ecosystem has completely exploded in the past few years. .
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