Alibaba Cloud ECS server 2-core 4g/2-core 8g/4-core 8g enterprise server difference and selection

Alibaba Cloud ECS servers 2-core 4G, 2-core 8G, and 4-core 8G are the first choice for enterprise class servers. These three configurations are often seen in Alibaba Cloud promotional activities. Lao Wei wrote about them in 2018 The difference between Alibaba Cloud 2-core 4G and 2-core 8G servers At that time, Alibaba Cloud mainly promoted the burst performance instance t5 and shared servers in entry-level servers. With the rapid development of software and hardware technology and cloud computing, the main models of Alibaba Cloud's 2-core 4g, 2-core 8g, and 4-core 8g servers have also been upgraded to shared instances, computing instances, and general-purpose instances by 2020.

Based on these three configurations, it can be used in AliCloud Cloud Xiaozhan（ Click me directly ）Common models in other activities include computing network enhanced sn1ne instances, computing network enhanced sn2ne instances, computing c5 instances, general g5 instances, shared n4 instances, and shared mn4 instances. Faced with so many new users of different models, it is difficult to choose which model to choose. Today, Weieis notes explain in detail the differences between these configurations and how new users choose.

2-core 4G server models and application scenarios

Computing network enhanced sn1ne, computing c5 and shared n4 all provide ECS with this configuration. The ECS of Alibaba Cloud promotional activities is equipped with 5M/6M bandwidth to run company websites, high traffic websites, applets Windows remote desktop and so on are all OK. It also supports common ASP programs NET program, website front-end and back-end program Java program Php program Docker container, etc.
Interested in these instances, check Alibaba Cloud Official Document>Instance Type Family 。

According to the experience of Lao Wei, if this configuration is combined with CDN and bandwidth (5M and above), it can support the website with 100000 visits every day. In addition, it depends on whether the server optimization is done well.

Related tutorials: How to set pagoda panel to optimize php server performance

2-core 8G server models and application scenarios

The feature of the 2-core 8G configuration is that the CPU memory ratio is 1:4, and the large memory server is used for businesses with high memory requirements and high consumption. This configuration is provided by common shared mn4, general network enhanced sn2ne and general g5 in Alibaba Cloud promotional activities.

The usage scenarios are not limited to database cache, online game/mobile game server, applet server, enterprise official website, enterprise financial software server, enterprise ERP cloud platform, etc., mainly the businesses that consume memory can be used. When the price of the event is cheap, it is also cost-effective to buy Windows remote desktop.

Lao Wei encountered a lot of this configuration to run the website, running hundreds of thousands of visits every day. For example, a photo display network used this configuration to run more than 300000 visits every day. Of course, in addition to the CDN, this access level also enables the Redis cache, which can effectively improve the efficiency of the server.

4-core 8G server models and application scenarios

The CPU memory ratio is the same as that of 2-core 4g, which is 1:2. Both belong to computing balanced instances. It is not as prominent as the 2-core 8g configuration. This configuration is provided by common shared n4, computing c5, and computing network enhanced sn1ne in Alibaba Cloud promotional activities.

Applicable scenarios include: game server, applet server, enterprise business server, database cache, etc.

For example, a local food delivery applet orders a large number of meals during lunch and dinner every day, and the number of online visitors is hundreds. Applets require high computing power of the server, and the number of online users is large, and memory consumption is large. From the perspective of budget and comprehensive performance requirements, the computing network enhanced sn1ne instance with this configuration is cost-effective, which can meet business requirements and save money.

Difference between 2-core 4G, 2-core 8G, 4-core 8G

1. 2 cores, 4 cores, more 4G memory

It is obvious that 4-core CPUs have better computing power than 2-core CPUs.

The addition of 4G memory has greatly improved the number of concurrent website visits, which can accommodate more people to visit at the same time without the server crashing;
The game server has high requirements for CPU computing, and the large memory can accommodate more players to fight online;
While the back-end database server improves the speed of real-time data query, the feedback speed to the front-end server is also faster.

2. Different models

The shared models mentioned at the beginning of this article are the previous generation models. The shared model means that the hyper thread of the shared server may compete when the server is idle and the hyper thread is insufficient;
The following models are exclusive models, and there is no sharing.
Computational c5 and universal g5 instances belong to exclusive models, CPU computing capability is strong;
Computational sn1ne instance and computational sn2ne instance strengthen the network receiving and sending function on the basis of c5, that is, the network performance is better. When a photo website has many photos on AliCloud object storage, the number of packets sent and received by the network enhanced server is large, and the actual user experience is that it opens faster.

3. Budget and business needs

The budget is sufficient, and the requirements for CPU computing performance and network performance are high. Select computing type sn1ne instances and computing type sn2ne instances, such as enterprise level users. On the one hand, the enterprise is not poor in money, and on the other hand, the business does not allow stuck, and the requirements are always as smooth as silk;
The budget is sufficient, and there is no requirement for network performance. Computational c5 and generic g5 instances are selected, such as personal websites and enterprise official websites;
The budget is insufficient and the server requirements are not high. The shared n4 and shared mn4 instances are selected, which is cost-effective.

4. At present, Alibaba Cloud server promotional activities are as follows:

AliCloud Cloud Website: Click me to get tickets The price of the 4G3M n4 instance coupon is 779 yuan/3 years, the price of the 4G5M n4 instance coupon is 915 yuan/3 years, and the price of the 8G5M mn4 instance coupon is 1379 yuan/3 years.

The price of ECS in the cloud kiosks is the lowest in the whole AliCloud network. You can buy it at the original price on the AliCloud product page. In addition, you often publish vouchers and discount coupons on the cloud kiosks, which can be used to offset the payment amount and save the cost of going to the cloud. Therefore, it is the most affordable to buy it on the cloud kiosks.