Infrastructure

Scaling a system is an iterative process. Iterating on what we have learned in this chapter could get us far. More fine-tuning and new…

Vertical scaling Also known as scaling up, is the scaling done by adding more power to an existing machine (CPU, RAM, Disk, etc.). There…

Logging Monitoring error logs are essential as they help to identify errors and problems in the system. You can monitor error logs at the…

A message queue is a durable component stored in memory that supports asynchronous communication. It served as a buffer and distributed…

In normal operations, users are geo DNS routed, also known as geo-routed, to the closest data center. GeoDNS is a DNS service that allows…

Now it is time to consider scaling the web tier horizontally. For this, we need to move the state out of the web tier ( for instance, user…

CDN is a network of geographically dispersed servers used to deliver static content. CDN servers cache static content like images, videos…

A cache is a temporary storage area that stores the result of expensive responses or frequently access data in memory so that subsequent…

According to Wikipedia: Database replication can be used in many database management systems. Usually with a master/slave relationship…

If many users access the server simultaneously, the server reaches the web server load limit, and users will experience a slower response or…

Scaling Scaling is of two types: Vertical Scaling Horizontal Scaling Vertical Scaling refers to scale-up , which means adding more power…

With the growth of users, one server is not enough, and we need multiple servers. One for web/mobile traffic One for Database So that they…

To start with a single server. Here, request flow is: When user types in URL and hit enter, request goes to DNS server with URL. DNS server…