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Linux Performance

www.brendangregg.com Reference Curated collections & archives Software engineering Class of 2017-01 Hall of Fame
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Resurfaced independently across 8 calendar years, with breakout response in 3 of them.

submissions
13
submitters
13
observed span
2014–2026
peak thread · 64 comments
536 pts
latest 20+ return · 2023-10-14
355 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

I recommend Brendan's book on Systems Performance[1], describes a structured approach to solving performance problems and is a good reference for various types of resource performance profiles. [1] http://www.brendangregg.com/sysperfbook.html

cimi_·536-point thread·

I use tuned for my Debian and Ubuntu VPSs that run real-time apps, and it seems to work well. Simpler than me toggling kernel parameters (also known as sysctl settings or kernel tunables) myself. https://access.redhat.com/documentation/en-us/red_hat_enterp... sudo apt install tuned

I would recommend his book [1] to anyone interested in systems performance. What really caught my attention is the focus he puts in having a goal and applying a method to solve performance issues. Many times, I have found myself "lost" while isolating a performance issue. Not anymore. [1] http://www.brendangregg.com/sysperfbook.html

fasteo·186-point thread·

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
3

100+ points or 50+ comments

Total points
1119

reference only — not used in Hall rules or ranking

Total comments
144

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2014-05-26Linux performance compendiumkaeso30
2014-08-20Linux PerformanceFirst breakoutWalkman18622
2016-03-17Linux Performancebatguano30
2016-03-24Linux Performancepjf20
2016-08-07Linux Performancekawera20
2017-01-27Linux PerformanceHall induction · Best threadpablode53664
2018-11-10Cheat sheet of Linux performance toolsprogval70
2021-09-27Linux Performance Observability Toolskiriberty140
2023-03-15Linux Performanceteleforce30
2023-07-17Linux Performance Resourcesmarginalia_nu20
2023-10-14Tuning Linux for PerformanceLatest 20+ point returnnitinreddy8835558
2025-11-10Linux Performanceo4c40
2026-01-24Linux Performanceanpep20