Why is Ubuntu 23.04 file I/O so much faster than Fedora 38?
Last week I published two videos: one for Ubuntu 23.04 and one for Fedora Workstation 38. In those two videos was a benchmark of the usual subsystems I measure. The Fio benchmark showed a drastic difference between Ubuntu and Fedora, and I mean Huge difference, I mean 100,000 IOPS difference. I dug into the data and here is what I found.
00:00 - Intro
00:30 - Recap of Fedora Benchmark Issue
01:57 - Four I/O Schedulers
03:57 - I/O Sched: None
04:50 - mq-deadline
07:26 - Budget Fair Queuing BFQ
10:53 - Kyber
14:15 - Red Hat Use Cases
15:06 - Law of Minimiums
18:08 - Final Thoughts
19:15 - Wrap-up
19:33 - Bench
26:25 - Closeout
26:37 - Outro
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#Fedora38 #Ubuntu2304 #Performance
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