The Scalable Thread

Why are Event-Driven Systems Hard?

Understanding the Core Challenges of Asynchronous Architectures

Sep 14

55

3

August 2025

Why "What Happened First?" Is One of the Hardest Questions in Large-Scale Systems

Understanding Why Exact Ordering of Events is Hard in Large Scale Systems

Aug 30

29

6

How to Keep Services Running During Failures?

Strategies for Graceful Degradation in Large Scale Distributed Systems

Aug 16

37

How to Optimize Performance with Cache Warming?

Optimizing Performance and User Experience in Large-Scale Distributed Systems

Aug 1

22

June 2025

How Tool Calling Works in LLMs

Understanding the Internals of Tool Calling in Large Language Models

Jun 20

29

1

How Feature Flags Enable Safer, Faster, and Controlled Rollouts

Understanding Effective Rollouts Using Feature Flags in Distributed Systems

Jun 7

20

May 2025

How to Handle Concurrency with Optimistic Locking?

Understanding How Distributed Systems Avoid Race Conditions

May 17

46

1

How to Improve Performance of Your Database?

Strategies for Scaling Databases in Distributed Systems

May 9

83

How Failover Works in Single Leader Databases

Strategies for Handling Failover in Single Leader Architectures

May 2

17

1

April 2025

How to Build Idempotent APIs?

Understanding Idempotency in Distributed Systems

Apr 25

79

What is Key-Based vs Range-Based Partitioning in Databases?

Understanding Data Partitioning Strategies in Distributed Systems

Apr 18

21

How Indexes Work in Partitioned Databases

Understanding Local and Global Secondary Indexing for Large-Scale Systems

Apr 11

50

2