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Lessons in Grafana - Part One: A Vision
https://www.reddit.com/r/programming/comments/1rcum6t/lessons_in_grafana_part_one_a_vision/

<!-- SC_OFF -->I recently have restarted my blog, and this series focuses on data analysis. The first entry (linked here) is focused on how to visualize job application data stored in a spreadsheet. The second entry, is about scraping data from a litterbox robot. I hope you enjoy! <!-- SC_ON --> submitted by /u/LivInTheLookingGlass (https://www.reddit.com/user/LivInTheLookingGlass)
[link] (https://blog.oliviaappleton.com/posts/0006-lessons-in-grafana-01) [comments] (https://www.reddit.com/r/programming/comments/1rcum6t/lessons_in_grafana_part_one_a_vision/)
Common Performance Pitfalls of Modern Storage I/O
https://www.reddit.com/r/programming/comments/1rdnsse/common_performance_pitfalls_of_modern_storage_io/

<!-- SC_OFF -->Whether you’re optimizing ScyllaDB, building your own database system, or simply trying to understand why your storage isn’t delivering the advertised performance, understanding these three interconnected layers – disk, filesystem, and application – is essential. Each layer has its own assumptions of what constitutes an optimal request. When these expectations misalign, the consequences cascade down, amplifying latency and degrading throughput. This post presents a set of delicate pitfalls we’ve encountered, organized by layer. Each includes concrete examples from production investigations as well as actionable mitigation strategies. <!-- SC_ON --> submitted by /u/swdevtest (https://www.reddit.com/user/swdevtest)
[link] (https://www.scylladb.com/2026/02/23/common-performance-pitfalls-of-modern-storage-i-o/) [comments] (https://www.reddit.com/r/programming/comments/1rdnsse/common_performance_pitfalls_of_modern_storage_io/)