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DanubeData Blog

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

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
1
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
1
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
19
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
12
Queues
March 27, 202614 min

What Is RabbitMQ? A Developer's Guide to Message Queues (2026)

Learn what RabbitMQ is, how message queues work, and why they're essential for modern applications. Covers AMQP vs MQTT, RabbitMQ 4.0 features, code examples in Python and Node.js, and how to get started with managed RabbitMQ on DanubeData.

Adrian Silaghi
Adrian Silaghi
33
How to Migrate from AWS S3 to European S3-Compatible Storage (2026)
Tutorials
March 19, 202613 min

How to Migrate from AWS S3 to European S3-Compatible Storage (2026)

A complete step-by-step guide to migrating your data from AWS S3 to European S3-compatible storage. Covers cost savings, GDPR compliance, rclone migration, zero-downtime strategies, presigned URL handling, and common pitfalls.

Adrian Silaghi
Adrian Silaghi
60
How to Use S3-Compatible Storage as Nextcloud Primary Storage (2026)
Tutorials
March 19, 202614 min

How to Use S3-Compatible Storage as Nextcloud Primary Storage (2026)

Complete guide to configuring S3-compatible object storage as Nextcloud primary storage. Covers config.php setup, performance tuning, data migration, multibucket configuration, Docker Compose examples, troubleshooting, and cost comparison.

Adrian Silaghi
Adrian Silaghi
56
rclone with S3-Compatible Storage: The Complete Guide (2026)
Tutorials
March 19, 202616 min

rclone with S3-Compatible Storage: The Complete Guide (2026)

Master rclone for S3-compatible storage: install, configure, sync, mount, encrypt, and schedule backups. Includes performance tuning, migration between providers, and a comparison with aws cli and s3cmd.

Adrian Silaghi
Adrian Silaghi
57
How to Use S3-Compatible Storage with Python and boto3 (2026)
Tutorials
March 19, 202614 min

How to Use S3-Compatible Storage with Python and boto3 (2026)

Master S3-compatible object storage with Python and boto3. Learn how to upload, download, manage buckets, generate presigned URLs, handle multipart uploads, and integrate with Django and Flask — all with a self-hosted S3 endpoint.

Adrian Silaghi
Adrian Silaghi
179
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