@tejash-22

Tejash_

@tejash-22

If you can't explain something to a toddler, you yourself don't know it properly

Joined January 2026

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Hexplainhexplain.hashnode.dev6 posts

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TTejash_hexplain.hashnode.devJan 23 · 6 min read

From Open Source to Enterprise Only: The Infrastructure Shift No One Budgeted For

The Quiet Moment That Changed Everything In November 2025, MinIO made a decision that would have gone largely unnoticed if not for the consequences that followed. With no announcement post, no migration guide, and no public roadmap, the company updat...

TTejash_hexplain.hashnode.devJan 22 · 4 min read

Cassandra vs ScyllaDB: Evolution of a Distributed Database

Distributed databases are rarely chosen lightly. When your system handles millions of events per second, every architectural decision echoes across performance, cost, and operational sanity. Apache Cassandra has long been a default choice for large-s...

TTejash_hexplain.hashnode.devJan 20 · 4 min read

NestJS Event-Driven APIs: Architecture, Patterns, and Best Practices

Most backend systems do not fail because of incorrect business logic.They fail because too much work is executed at the wrong time. A request arrives at an API, and instead of performing only the essential work, the system immediately starts logging ...

TTejash_hexplain.hashnode.devJan 20 · 4 min read

Bash Basics: A Beginner’s Guide to the Command Line

Learn some of the most useful Bash commands and the problems they help you solve Most computers today are not really powered by electricity. They appear to be powered by the constant pumping motion of a mouse.— William Shotts If you have watched movi...

TTejash_hexplain.hashnode.devJan 17 · 2 min read

If You Want to Succeed in Automation Testing, Start Here.

I’ve noticed a consistent and worrying pattern. Most testers jump straight into Selenium tutorials or expensive bootcamps without understanding the fundamentals. They struggle, feel stuck, and often give up or remain junior for years. The issue is no...

Tejash_

About

Available for

Tejash_'s blogs

Recently published

From Open Source to Enterprise Only: The Infrastructure Shift No One Budgeted For

Cassandra vs ScyllaDB: Evolution of a Distributed Database

NestJS Event-Driven APIs: Architecture, Patterns, and Best Practices

Bash Basics: A Beginner’s Guide to the Command Line

If You Want to Succeed in Automation Testing, Start Here.

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Tejash_

About

Available for

Tejash_'s blogs

Recently published

From Open Source to Enterprise Only: The Infrastructure Shift No One Budgeted For

Cassandra vs ScyllaDB: Evolution of a Distributed Database

NestJS Event-Driven APIs: Architecture, Patterns, and Best Practices

Bash Basics: A Beginner’s Guide to the Command Line

If You Want to Succeed in Automation Testing, Start Here.