I/O Management
A core responsibility of an operating system is managing the computer’s hardware. This responsibility covers not only the CPU and memory, but also input/outp...
Recent posts
Deploying Self-managed Elasticsearch 8 Cluster with Docker on AWS
Deploying a self-managed Elasticsearch cluster for production is a bit of pain. It’s not just about understanding the core components. You also have to manua...
Systematic Evaluation for Information Retrieval: MAP and nDCG
The effectiveness (or accuracy) of an information retrieval system refers to how well it ranks relevant documents higher than non-relevant ones. Evaluating t...
Understanding BM25 in Text Retrieval
When you type a query into a search engine, it finds documents that contain your keywords. The problem is: how do you order those documents from most to leas...
Building Korean Query Auto-completion using Elasticsearch
Query auto-completion (QAC) is a feature that suggests completions for a user’s input query. It tries to guess what you’re about to type and throws out sugge...
Solving Latin Squares as Constraint Satisfaction Problems using Backtracking Search with Heuristics
A Latin square is an n x n grid filled with n different symbols (commonly numbers 1 to n), each appearing exactly once in every row and every column.
Interprocess Communication
A process is either independent or cooperating: independent: if it cannot affect or be affected by the other processes, and does not share data with any o...
Memory Management
Managing the physical memory (DRAM) is a role of the operating system.
Centralized Logging for Kubernetes Applications with EFbK Stack (Demonstration with FastAPI)
In software development, logging is the act of recording events and messages generated by an application. It plays a crucial role in observability, enabling ...
Explicit is Better than Implicit - Part 2: Behaviors
“Explicit is better than implicit” is one of my favorite lines from the Zen of Python. In essence, this guiding principle encourages clarity in code by favor...