Database tutorial - IT technology blog
Posted inDatabase

Getting Started with ChromaDB: The Open-Source Vector Database for Building AI Agent Knowledge Systems

ChromaDB is an open-source vector database for semantic storage and search — lightweight enough to run locally, powerful enough to serve as the foundation for RAG systems and AI Agents. This guide walks through installation, document indexing, semantic search queries, and Docker deployment with practical, step-by-step examples.
Monitoring tutorial - IT technology blog
Posted inMonitoring

Grafana Tempo: Setting Up Distributed Tracing and Integrating Loki + Prometheus in a Single Grafana

I once spent 3 hours debugging a slow request without finding the bottleneck — that's what pushed me to set up Grafana Tempo. This article walks through installing Tempo with Docker Compose, connecting it to Loki and Prometheus, and configuring OpenTelemetry from Python so that from a single trace ID you can jump straight to logs and metrics in just a few clicks.
MySQL tutorial - IT technology blog
Posted inMySQL

Configuring Transparent Data Encryption (TDE) in MySQL 8: Protecting Sensitive Data at the Storage Layer (At-Rest)

TDE (Transparent Data Encryption) in MySQL 8 encrypts data at the storage layer, protecting .ibd tablespace files from being read directly — with no application code changes required. This guide walks through the full setup: installing the keyring component, encrypting tables and tablespaces, rotating the master key on a schedule, and verifying and monitoring real-world effectiveness.