TMSVR - Dev Blog

TMSVR - Dev Blog

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Latest — 03 Mar 2026

Spring @Transactional Deep Dive: Proxies, Propagation, and the Traps That Still Catch Senior Engineers

How Spring @Transactional actually works under the hood — proxies, thread-locals, propagation mechanics, rollback rules, and the silent failures that trip up experienced engineers.

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Scaling an LSM-Tree: Thread-Safety and the Art of Non-Blocking

Moving from a single-threaded datastore to a high-throughput, concurrent LSM-tree isn't just about adding locks—it's about protecting invariants. Learn how to implement non-blocking reads and memtable rotation to build a database that is both thread-safe and fast.

Why Your @Retryable Fails with @Transactional in Spring (and How to Fix It)

Learn why Spring's @Retryable can silently fail with @Transactional due to AOP advice ordering — plus two production-ready fixes

Java File writing I/O performance

Boost Java file writing performance by choosing the right I/O method. Learn how BufferedWriter, FileChannel, and RandomAccessFile impact speed, durability, and efficiency—plus how I achieved a 4x faster commit-log write in my LSM tree database. 🚀

Building a Database III - Bloom filters and performance

Learn how to integrate Bloom filters into a Log-Structured Merge Tree (LSM) datastore for faster data lookups and improved performance. This article covers the implementation process, performance testing, and key insights from optimizing the filter in a real-world use case.

Practical use of generics in Java

Dive into the world of Java generics as we transform a simple key-value store to support any data type! This post breaks down the process of refactoring code for flexibility, covering the hurdles I faced along the way. Perfect for developers wanting to level up their designs with generics! 💡

Building a database II - B-Trees

Explore how B-Trees work, their role in database indexing, and how they compare to LSM trees. This post covers insertion, search, and deletion with a hands-on implementation, highlighting key challenges like restructuring. A great starting point for developers diving into B-Trees! 🚀

Open sourcing AtlasNinja

Discover AtlasNinja: an open-source interactive map for exploring global data, now available on GitHub.

Building a Database I - Log-Structured Merge Trees

Here is how a log-structured merge tree works and why it is an advantageous database engine with code examples.

The State of AI in software engineering

What is the state of AI in software engineering in mid-2023? In this article, I check out a few AI power tools like ChatGPT and GitHub Copilot to see what the future holds for developers.