Shouting in the Datacenter
9.1K subscribers • 4 videos on Hallway
- Recommended by 6 people: 4 on Hacker News and 2 on Lobsters.
- A classic. People kept recommending it from 2011 to 2022.
- Presented by Bryan Cantrill and Brendan Gregg
Intermediate. Assumes working knowledge.
5.6M views17 years ago6 recommendations
Systems programmingHardwarePerformance and optimizationDebugging
Brendan Gregg and Bryan Cantrill demonstrate how acoustic vibration from shouting at a disk array causes immediate spikes in hard drive latency.
Brendan Gregg from Sun's Fishworks team makes an interesting discovery about inducing disk latency. For a ca. 2020 retrospective on this 2008 video: youtube.com/watch?v=_IYzD_NR0W4#t=28m47sWhy it's here
6 people recommend thisWhat people say. Recommended as a classic demonstration of how physical vibration and sound can measurably degrade hard drive performance.
dorianjon Hacker News • Recommends
On “SeatGeek Blog: What An Earthquake Does To Page Load Time”
teraflopon Hacker News • Recommends
On “Acoustic Denial of Service Attacks on HDDs”
geerlingguyon Hacker News • Recommends
On “Raspberry Pi 2.5 Gbps OMV NAS Performance”
kuonon Hacker News • Recommends
On “Song from 1989 declared a cybersecurity vulnerability for crashing hard drives”
donavanmon Hacker News • Mentions
On “Netflix's Open Connect Appliances”
threepipeproblmon Hacker News • Mentions
On “A Loud Sound Shut Down a Bank's Data Center for 10 Hours”
nazri1on Hacker News • Mentions
On “Linux Performance”
robotmlgon Hacker News • Mentions
On “Acoustic Denial of Service Attacks on HDDs”
donatjon Hacker News • Mentions
On “Hard disks can be turned into listening devices”
geoffton Hacker News • Mentions
On “Hard Drive of Hearing: Disks That Eavesdrop with a Synthesized Microphone [pdf]”
croteon Hacker News • Mentions
On “Academics steal data from air-gapped systems using PC fan vibrations”
MaulingMonkeyon Hacker News • Mentions
On “Western Digital is trying to redefine the word “RPM””
AceJohnny2on Hacker News • Mentions
On “The code worked differently when the moon was full”
throw0101aon Hacker News • Mentions
On “Bcachefs – A New COW Filesystem”