- 30 September 2024
- by Andrej Fedek
- Blog, Business, Web Development
- 0 Comments
Since web platforms are popular nowadays and constantly being used, growth is critical to ensure they can accommodate the increasing traffic and data without degrading performance. Growing a web platform is making changes to accommodate more load without compromising the platform’s dependability, performance, and productivity. This guide will explain how to scale a web app effectively and guide the reader through the basic and critical approaches to scaling web platforms, such as Scaling up vertically and horizontally, using microservices architecture and the load balancing technique.
1. Understanding the Concept of Scaling
Before diving into specific strategies, it’s important to comprehend the basic scaling type, which is scalability, where one is a vertical scar and the other is a horizontal scale.
Vertical Scaling (Scaling Up): Vertical scaling can be done by increasing the power of the current server, including CPU, RAM, etc. Although this can enhance performance, it comes with constraints. At some level, you cannot throw more resources at it, and the costs of servers go up exponentially as you add more of them.
Horizontal Scaling (Scaling Out): Horizontal scaling involves adding more servers or machines to share the load. This approach is more sustainable than the previous one because, unlike adding a new resource, you can always add more as many times as you want. One important advantage is that it also offers fault tolerance: if one server is down, the others can do the job.
Both types of scaling are necessary. However, the majority of contemporary platforms prioritize horizontal scaling since it is more affordable and efficient.
2. Use of Load Balancing
Load balancing is one of the most essential techniques of scaling Web platforms. Load balancing is a concept which is partially related to distribution of load through many Servers instead of one Server. It also minimizes congestion and avoids loading the platform with many requests when traffic is high.
Load balancing can be done in several ways:
- Round Robin: This method involves making requests to the servers and going round the servers making sure that no server is busy with many requests.
- Least Connections: It binds with the server that is required more time forrest considering most of the connections to the servers which are not completely fully utilized.
- IP Hashing: session affinity is implemented using client IP that ensures the users will always be directed toward the same server.
Depending on the size of the platform load balancers are of two types; software based (NGINX, HAProxy, etc) or hardware based.
3. Database Scaling Techniques
When scaling web platforms, the database is always the main bottleneck. There has to be a scaling strategy for the database. There are two fundamental methods used in scaling a database; the first one is called vertical database scaling, while the second one is called horizontal database scaling.
- Vertical Database Scaling: This involves upgrading the performance of the database server in terms of the processing capacity, memory and storage space. Similar to the case with vertical scaling for servers the type is constrained by hardware and may be costly.
- Horizontal Database Scaling: It situates databases into several portions with each of them located in a different server to form multiple databases. Each chunk holds a part of the data and this implies that the system has the ability to cater for more traffic as well as queries in equal measure.
- Database Replication: This implies creating mirror versions of the database and situating them on other servers. One server can be set as the master, performing all the write operations, while other servers can work with the read queries. This lets you delegate read operations, thus relieving some of the workload of the main database.
- Caching: The application of a caching layer can significantly decrease the load that falls on a database. What is most used is cached information retained in memory and not updated with the database every time. This can go a long way in increasing the overall throughput and reducing time or cycle time, as it is referred to as the delay or the amount of time it takes for a certain process.
4. Microservices Architecture
As web platforms evolve, the monolithic architecture becomes very cumbersome to manage and extend. Organizing the platform into microservices, where it is divided into smaller services that communicate with each other, delivers a more scalable solution.
These are small applications that work independently and manage unique functionality like authorization, payments, or notifications. It means separate teams can work simultaneously, updates and changes can be made without impacting the entire system, and services can be provisioned according to the need. For instance, if the payment service is heavily loaded, one can increase the capacity of the payment service without increasing other components.
Microservices also enable the use of containers through tools such as Docker and Kubernetes. Containers provide a wrapper that holds an application’s code, libraries, and dependencies in a small and portable format for deployment across multiple environments. Kubernetes is a container orchestration tool that manages containerized applications and deploys more of them based on load.
5. Content Delivery Networks (CDNs)
CDN is a set of servers located in different parts of the world which assists in caching and delivering the static part of a user request. CDNs help in reducing latency since most of the content is downloaded from the nearest server to the user thus increasing the loading time.
As it delivers static content, your platform’s servers experience reduced loading, allowing them to focus on more essential tasks. These CDN services include Cloudflare, Amazon CloudFront, and Akamai, which support the web application’s scalability.
Conclusion
Growing a web platform is crucial to ensuring that it can deliver its services efficiently and effectively, especially with more traffic. Implementing load distribution, database sharding, microservices, and autoscaling can create a scalable architecture that can adapt to larger traffic loads. The integration of the CDN, distributed caching, and asynchronous processing also boost the system’s performance. If it is constantly monitored and optimized, your platform can stay efficient even in the long run.
Choosing the right mix of these strategies helps achieve organic scalability and a better user experience, especially when traffic is high.
Andrej Fedek is the creator and the one-person owner of two blogs: InterCool Studio and CareersMomentum. As an experienced marketer, he is driven by turning leads into customers with White Hat SEO techniques. Besides being a boss, he is a real team player with a great sense of equality.