What is the go language suitable for development?

As a server programming language, Go language is very suitable for processing logs, data packaging, virtual machine processing, file systems, distributed systems, database agents, etc.; in terms of network programming, Go language is widely used in Web applications and API applications. , download applications, etc.; Go language can also be used for the development of in-memory databases and cloud platforms.

The operating environment of this tutorial: windows10 system, GO 1.18, thinkpad t480 computer.

The Go language is mainly used for server-side development. It is positioned to develop "large-scale software". It is suitable for many programmers to develop large-scale software together. It has a long development cycle and supports cloud computing network services. The Go language allows programmers to develop quickly, and as the software continues to grow, it makes it easier for programmers to maintain and modify it. It combines the efficiency of traditional compiled languages ​​with the ease of use and expressiveness of scripting languages.

As a server programming language, Go language is very suitable for processing logs, data packaging, virtual machine processing, file systems, distributed systems, database agents, etc.; in terms of network programming, Go language is widely used in Web applications and API applications. , download applications, etc.; in addition, the Go language can also be used in the field of memory databases and cloud platforms. Currently, many foreign cloud platforms are developed using Go.

Applicable fields:

1. Server programming. If you used C or C to do those things before, it is very suitable to use Go to do them, such as processing logs and data. Packaging, virtual machine processing, file systems, etc.

2. Distributed systems, database agents, middleware, etc., such as Etcd.

3. Network programming, this area is currently the most widely used, including Web applications, API applications, download applications, and Go’s built-in net/http package basically implements all the network functions we usually use.

4. Database operation

5. Cloud platform. Currently, many foreign cloud platforms are developed using Go. Part of CloudFoundy was formed, and the former VMare technical director came out to develop the apcera cloud platform.

6. Development of game server.

Go language success story

Nsq: Nsq is a high-performance, high-availability message queue system developed by the Go language. It has very high performance and can handle billions every day. Message;

Docker: a virtual packaging tool based on lxc, which can realize the establishment of PAAS platform.

Packer: Used to generate image files for different platforms, such as VM, vbox, AWS, etc. The author is the author of vagrant

Skynet: Distributed scheduling framework

Doozer: Distributed synchronization tool, similar to ZooKeeper

Heka: mazila open source log processing system

Cbfs: couchbase open source distributed file system

Tsuru: open source PAAS platform, and The functions implemented by SAE are exactly the same

Groupcache: a caching system for Google download system written by the author of memcahe

God: a caching system similar to redis, but supports distribution and scalability

Gor: Network traffic packet capture and replay tool

Go language, as a large-scale project development language, has been used by many large companies, and even completely turned to Go development, among which representatives include Google, Facebook, Tencent, Baidu, Alibaba, JD.com, Xiaomi, 360, Meituan, Didi and Sina, etc. Therefore, the development prospects of Go language are still very good!

Extended knowledge: The reason why the go language is suitable for concurrency

Go is a very efficient language that highly supports concurrency. The Go language can be said to be a perfect fusion of development efficiency and operating efficiency, with inherent support for concurrent programming. Go language supports all current programming paradigms, including procedural programming, object-oriented programming, interface-oriented programming, and functional programming. Programmers can get what they need, combine them freely, and play whatever they want.

Parallel and asynchronous programming are almost painless. The two artifacts of Go language, Goroutine and Channel, are simply huge blessings for concurrent and asynchronous programming. The concurrency and asynchronous methods of languages ​​​​such as C, C, Java, Python and JavaScript are too complex to control and prone to errors, and Go solves this problem very elegantly and smoothly. For programmers who have suffered from concurrency and asynchronous programming for many years, this is a completely eye-catching feeling. Go is a programming language developed for big data, microservices, and concurrency.

• Go as a language strives to make things simple. It doesn't introduce many new concepts, but focuses on creating a simple language that is incredibly fast and easy to use. Its only innovations are goroutines and channels. Goroutines are Go's lightweight thread-oriented approach, and channels are the preferred way of communicating between goroutines.

• The cost of creating Goroutines is very low, requiring only a few thousand bytes of additional memory, which makes it possible to run hundreds or even thousands of goroutines simultaneously. Communication between goroutines can be achieved with the help of channels. Goroutines and the channel-based concurrency approach make it very easy to use all available CPU cores and handle concurrent IO. Compared to Python/Java, running a function on a goroutine requires minimal code.

Recommended learning: Golang tutorial

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