Development of high-load applications Part 1

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When there are several backends, it becomes inconvenient, as developers have to remember on which backend they upload each file. If the average number of tasks in the queue is increasing, you should increase the number of servers too. Task queues enable to perform heavy operations asynchronously, without slowing down the main application. While the queue server will receive tasks from the application, other servers handle tasks. The Apps Solutions guarantees the production of scalable and high-performance apps in the following ways. The App Solutions has worked on a number of high-load system projects.

high load applications

Choosing the right architecture for your web product is a crucial issue that you need to solve when thinking through its development. First and foremost, it should be scalable and be able to handle high loads. Especially if you’re making a functional website, online booking service, or an e-commerce solution. Also, many cloud hosting services provide private network services, enabling programmers to safely use multiple servers in the cloud and make the system scaling.

The development of a scalable web project architecture

Finally, if you plan to charge on cart by plugging in the GSM 220W Power supply, be aware that charging 2 batteries requires c 100W, leaving c.120W for the application. If the load is higher, then the power supply will stop charging and divert power to the application. This is not a concern but will theoretically shorten the Power supply life. Users need to be instructed to charge when not live with the application, or better Hot swapping with external chargers could be considered. The GSM 220 is the highest rated off the shelf power supply with medical approval. DCPower4C can provide a higher rated approved Power supply if required.

high load applications

So the offload will be distributed evenly between the servers, even when not all of them work well. It is important to provide for proper load distribution to ensure that such situations do not damage the operation of the application and the experience of your users. Then the server on which the failure occurred will redirect its requests to another working and less loaded server. Most often, it’s the first node which is under load is the database. Each request from the user to the application is generally from 10 to 100 database queries.

Principles of developing high-performance applications

This involves simulating failures and observing how the cluster responds. Regular backups of your Kubernetes cluster data, especially the etcd database, are essential for recovery in case of failures. Setting up Master Nodes is a critical step in creating a high availability Kubernetes cluster.

  • However, each new service in our client’s offering has added to the operational complexity of their internal IT systems.
  • I think that having the tons of customers is not required to be a highload system.
  • All of these examples suppose having a large audience and require using various optimizations allowing to withstand high loads.
  • Kubernetes and kubeadm are pivotal in setting up a high availability cluster.
  • When it comes to large data centers, hardware failures (be it power outages, hard drives or RAM fail) are known to happen all the time.

In simple terms, load balancing can be described as a systematic distribution of traffic from an app to various servers. A load balancer, therefore, is found between front-end devices and back-end servers. In cloud computing, load balancing involves the distribution of work to several computing resources. Most online web applications attract thousands to hundreds of thousands of users. High-load systems will allow them to handle those numbers easily.


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