How exactly kube-proxy works: Basics on Kubernetes.

How exactly kube-proxy works: Basics on Kubernetes.


In recent times Kubernetes is becoming a de facto tool to be used and it adds a lot of value to your profile if you have a good understanding of it. Unfortunately, the way clouds have abstracted everything from users, there are not many people aware of how this actually works behind the scene and

Logrotate: How and Why you should use it properly.

Logrotate: How and why you should use it properly.


In my on-call duty for the last few years. One thing that comes, again and again, is log cleanup. This happens because of the wrong logrotate or no use of this at all. When we talk about disk cleanup, this is kind of toil to me. To understand what is toil you can look at

Swap memory and how it affects your latencies.

Swap memory and how it affects your latencies.


When you work with Linux and memory you must have heard the term swap memory. In this article, we are going to see how swap memory affects the latencies of your system, and should you keep them or not? What is a swap memory? It is a memory space that is made available separately to

What is Copy on Write and where is it used?

Redis bgsave taking a lot of memory. Here is the reason.


In recent times, I was working with Redis clusters which have very high throughput. While doing this we came across a problem which was Redis bgsave was taking a lot of memory sometimes almost as the same memory as the data present in the memory. In this small writeup, we will see why this happened.

What is Copy on Write and where is it used?

What is Copy on Write and where is it used?


Recently while working with one of the databases I came across a method that is widely used by many databases to take a snapshot of the memory into a disk. One of the most famous that you have heard of is Redis. The method is called copy on write. Let’s see what is a copy

Are you preparing for DevOps and SRE Interview?

Here is a book for you.


Interview preparation and interview questions for DevOps and SRE






A good reads for last-minute preparations for handling DevOps and SRE interviews at companies like LinkedIn, Visa, Atlassian, etc.