A practical introduction to Apache Parquet, why columnar storage matters, and how Parquet compares to CSV in size and read performance.
Let’s Get Ready to Parquet: Why Columnar Storage Changed Data Engineering
dr@strangelog:~$whoami
anand siva
dr@strangelog:~$echo $WELCOME
Hi my name is Anand!
Welcome to my personal blog.
I will be writing about
tech, table tennis, and my cats
dr@strangelog:~$echo $CATLIFE
/\\_/\\
( o.o )
> ^ <
Mary Had a Little Lambda: Learning AWS Lambda from Scratch
A beginner-friendly walkthrough of AWS Lambda, what it is good for, and how to test a Python Lambda locally with Docker.
Multiverse of IAM Madness: Learning AWS Policy Evaluation the Hard Way
A hands-on walkthrough of AWS IAM policy evaluation using real S3 examples, CloudTrail errors, request tags, and explicit deny rules.
Spark Joy: How I Cut 100M Record Processing from 4.5 Minutes to 76 Seconds
A practical walkthrough of learning Apache Spark by processing 100 million records with PySpark, MinIO, and a local Spark cluster.
Don’t take linux too seriouly, you’ll never get out of vim
A fun tour through weird and entertaining terminal commands that make Linux and the command line feel a little less serious.
WITH RECURSIVE: One MySQL Function to Rule Them All
A practical look at MySQL CTEs, recursive queries, and the mental model behind WITH RECURSIVE.
Midnight Rollback to Nowhere: MySQL Crash Recovery and Rollback Hell
A practical look at MySQL crash recovery, massive transaction rollbacks, and why an OOM-killed database can get stuck in rollback hell.
Letting Go: The Hardest Skill I Didn’t Know I Needed
A reflection on burnout, control, and why learning to step away from work can make you more effective
Rise of the DBSentinel
Starting an open-source database monitoring tool to bring DBA insights into one place.
Why Redis Doesn’t Ship an RPM (and How to Build One)
Why Redis offers an official APT repo but not a YUM repo, plus a practical guide to RPM packaging and building with spec files on RHEL-based systems.