Software Rewrite that took Oracle 10 years to complete, one of the most critical rewrite and migration in Enterprise History

Software rewrites are always painful; most companies would like to avoid them. It’s very risky in terms of whether the new software will be stable. will provide every old feature in the same way old software was providing? The cost of the rewrite will be under the assumptions? These questions always haunt CTOs and CEOs … Read more

How Linux executes a program internally, How Scheduling works in Linux

Linux is the best source for Operating System studies for all Programmers, Computer Science Students, System Programmers, and Computer Scientists. A study of the Linux Operating System helps not only to understand the Operating System, but also how a large system works and how multithreading and memory allocation work in computer science. Understanding Process Scheduling … Read more

History of Unix: How a personal project became the base of all modern Operating Systems

There is one surprising fact about Operating Systems, unlike Web-Based applications, which follows dozens of different architectures or frameworks like MVC, Micro Services, micro framework, Service Oriented Architecture(SOA), the most complex system in the world, the Operating System has only 2 categories Unix-like Operating System Windows NT Family All successful Operating System falls in one … Read more

Urs Hölzle: The Professor Who Built Google’s Brain using Cheap Hardware Strategy

When Google Seraching was growing they had a risk of Cost. Imagine evey internet user using your site to find best results on the Internet, this site has lot of complex calculations, require huge amout of CPU Power and RAM, and Google started having nightmare that their company will be buried under the Infrasturcture cost. … Read more

Does Instagram use AWS? the surprising truth about its Infrastructure

Introduction: Instagram was purchased by Meta in 1012 in 1 Billion dollars. When Instagram was a startup, they used AWS for compute and storage AWS S3 were there main engine that stores images, and they introduced video posting in 2013. S3 provided them super speedy development, because they did not need to write storage apis … Read more