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DanubeData Blog

Stay updated with the latest news, tutorials, and insights about cloud infrastructure.

Tutorial
April 6, 202611 min

S3 Storage as Persistent Memory for AI Coding Agents like Claude Code and Codex (2026)

Use S3-compatible object storage to persist, sync, and back up your AI coding agent memory across machines. Practical guide with rclone, s3cmd, and automation scripts for Claude Code, Codex, and other AI dev tools.

Adrian Silaghi
Adrian Silaghi
216
Tutorial
April 6, 202614 min

Building a RAG Knowledge Base with S3-Compatible Storage in Europe (2026)

Build a GDPR-compliant RAG pipeline using S3-compatible storage as your document store. Complete Python guide with boto3, LangChain, pgvector, and practical examples for powering LLM applications with your own data.

Adrian Silaghi
Adrian Silaghi
206
Queues
April 6, 202612 min

RabbitMQ with MQTT for IoT: Building a Scalable Device Messaging Platform

Learn how to build a scalable IoT device messaging platform using RabbitMQ with MQTT. Covers MQTT QoS levels, topic mapping to AMQP exchanges, Python and Node.js code examples, handling 10K+ concurrent connections, TLS security, and EU data sovereignty compliance.

Adrian Silaghi
Adrian Silaghi
148
Queues
April 3, 202614 min

RabbitMQ Best Practices for Production: 15 Rules Every Developer Should Follow

Master RabbitMQ in production with these 15 battle-tested best practices. Covers quorum queues, publisher confirms, dead-letter exchanges, monitoring, TLS, connection pooling, and more — with code examples in Python and Node.js.

Adrian Silaghi
Adrian Silaghi
288
Queues
April 1, 202615 min

RabbitMQ vs Kafka vs Amazon SQS: Choosing the Right Message Broker (2026)

An in-depth comparison of RabbitMQ, Apache Kafka, and Amazon SQS for 2026. Covers messaging patterns, latency, throughput, cost analysis, code examples, and a decision framework to help you choose the right message broker for your architecture.

Adrian Silaghi
Adrian Silaghi
794
Performance
March 29, 20268 min

RabbitMQ Performance Benchmarks: 120K+ Messages Per Second on DanubeData

We benchmarked our managed RabbitMQ service using the official rabbitmq-perf-test tool. Results: 123K msg/s without confirms, 108K msg/s with publisher confirms, and zero messages dropped across 1 million messages. Here is the full methodology and data.

DanubeData Engineering
DanubeData Engineering
309
Engineering
March 29, 202610 min

Publisher Confirms in RabbitMQ: The Complete Guide to Guaranteed Message Delivery

Publisher confirms are the only way to guarantee RabbitMQ received your message. This guide covers how they work, the performance tradeoffs at different batch sizes, and production-ready code examples in Python, Node.js, and PHP.

DanubeData Engineering
DanubeData Engineering
490
Tutorial
March 28, 202613 min

Claude Code Channels on a VPS: Control Your AI Agent from Telegram and Discord (2026)

Run Claude Code Channels on a DanubeData VPS for always-on AI coding assistance via Telegram and Discord. Complete setup guide covering installation, channel configuration, security, and how it compares to OpenClaw.

Adrian Silaghi
Adrian Silaghi
900
Tutorial
March 28, 202612 min

Self-Host OpenClaw on a VPS: Your Own AI Assistant (2026)

Learn how to self-host OpenClaw, the open-source AI assistant, on a DanubeData VPS. Complete setup guide with Docker, Ollama for local LLMs, Telegram integration, and security hardening. Own your AI — no subscriptions required.

Adrian Silaghi
Adrian Silaghi
1,086
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