Why is github slow?
With the rapid development of the domestic software industry, more and more developers are beginning to use Github, an open source code hosting platform. However, many people will encounter the problem of slow Github, which not only wastes developers' time, but also affects the development progress of the project. So why is Github slow?
1. Network delay problem
Github is the world's largest Git code hosting platform. Its servers are set up all over the world, so GitHub has a large number of users around the world. Due to network latency, the access speed of Github in different regions will vary greatly. Especially in China, due to the existence of network walls, the access delay is more obvious, which leads to the slower access speed of Github in China.
2. Network blocking problem
Due to the special network environment in China, some Github IPs are blocked, which means that some content cannot be accessed in China, which will cause Github to be accessed in China. Speed is limited. Although Github already supports the HTTPS protocol, for some reasons, using HTTPS cannot completely avoid network blocking problems.
3. Resource access restriction issue
Github has millions of developers and tens of millions of projects around the world. These projects require a lot of storage space and computing resources, which has also led to Github’s The consumption of bandwidth and hardware resources is huge. When server resources are insufficient, Github will limit the bandwidth of visitors, which causes Github's access speed to drop significantly during peak hours.
4. DNS resolution issue
DNS resolution is the first step in network requests and the most basic link. Since Github's servers are located around the world, the time required for domain name resolution will also be different, which results in Github being unable to be accessed normally in certain regions.
To sum up, there are four main reasons why Github is slow: network delay, network blocking, resource access restrictions and DNS resolution. The existence of these problems has led to Github's inconsistent access speeds around the world, and it has faced greater difficulties domestically. As the leader in open source code hosting platforms, Github has also been looking for solutions, such as adding servers around the world, optimizing the use of bandwidth and hardware resources, and developing and using technologies such as CDN to allow Github to provide users with faster and more stable services. Serve.
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