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.

Key metrics to monitor in Redis and optimization settings

Key metrics to monitor in Redis and optimization settings


Hi everyone in our last post we talked about Redis monitoring using Prometheus and Grafana. When I posted this on a few forums I got a suggestion that I should write about key metrics to watch while monitoring Redis. So let’s start the article Key metrics to monitor in Redis and optimization settings. Below are

sidecar pattern and ambassador pattern

Sidecar pattern vs ambassador pattern


Sidecar is one of the important patterns in today’s world of containerization and Kubernetes. Sidecar is a single node pattern and when we talk about a single node pattern we have another major pattern which is called ambassador pattern. In this article, we will talk about the difference between the sidecar pattern vs ambassador pattern.

Pattern and anti patterns while creating new servers.

Pattern and anti patterns while creating new servers.


We are want to automate the server creation process as this saves a lot of time. In this article, we are going to talk about some patterns and anti-pattern that cause make your automation better or worse. So let’s start with this. Antipattern: Handcrafted Server Handcrafted servers will generally work well for companies who are

Are you preparing for DevOps or SRE Interviews in the coming days?

We have a last-minute preparation book for you

Interview preparation and interview questions for DevOps and SRE
Interview preparation and questions for DevOps and SRE


One of the best reads for last-minute preparations for handling DevOps and SRE interviews at companies like LinkedIn, Visa, Atlassian, etc.