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DanubeData Blog
Stay updated with the latest news, tutorials, and insights about cloud infrastructure.
Engineering
April 30, 2026•12 min
Incident review — S3 object storage instability, April 30 2026
On April 30 2026, our S3 object storage service experienced intermittent disruptions over a six-hour window. A faulty 10 Gigabit network card on a newly added storage server triggered repeated kernel watchdog reboots. Here is what happened, what our diagnosis got wrong on multiple occasions, and what we are changing as a result.
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Engineering
March 29, 2026•10 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.
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