This post is about my understanding on “Scaling Memcached at Facebook” by Meta. The paper discusses the challenges faced by Facebook in scaling Memcached, an open-source, high-performance, distribu...

Java is often preferred for practicing LLD (Low Level Design) due to its strong typing. But I like a challenge and I choose Python. I have tried to solve LLD problems using both Python and Java an...

An app server is different from a web server. An app server executes application logic, manages transactions, and communicates with backend databases, while a web server primarily serves static con...

Docker containers are widely used in modern software development for their lightweight, portable, and scalable nature. However, due to their very nature of sharing the host kernel, they enforce a s...

I applied directly through the career portal and received a call within two weeks. Round 1 This round was an unusual one. We had technical discussions about how I would design YouTube video strea...

When working for an organization, you connect to their internal servers using a VPN. For security reasons, accessing their network with any device other than the company-specified one is usually no...

Round 1 The interviewer tested my knowledge of computer hardware, Linux, and storage devices. I was grilled on Linux fundamentals, the boot process, systemd vs. init, and filesystem permissions. C...