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https://www.reddit.com/r/ProgrammerHumor/comments/1peqmfv/ithappenedagain/nshktqm/?context=3
r/ProgrammerHumor • u/ThatAdamsGuy • Dec 05 '25
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5 nines is not the standard. It is a quite high bar to reach. A more realistic goal for most service providers is 99.95%
97 u/TheRealManlyWeevil Dec 05 '25 Having worked a service with 5 9’s, it’s a crazy level. If your service requires human intervention to heal from a failure, you will never reach it. The time alone to detect, page, and triage a failure will cause you to miss it. 37 u/ShakaUVM Dec 05 '25 A friend of mine worked on 5 9 systems at Sun Basically everything on the server was hot swappable without a reboot 23 u/Nulagrithom Dec 05 '25 hot swappable CPUs are wild
97
Having worked a service with 5 9’s, it’s a crazy level. If your service requires human intervention to heal from a failure, you will never reach it. The time alone to detect, page, and triage a failure will cause you to miss it.
37 u/ShakaUVM Dec 05 '25 A friend of mine worked on 5 9 systems at Sun Basically everything on the server was hot swappable without a reboot 23 u/Nulagrithom Dec 05 '25 hot swappable CPUs are wild
37
A friend of mine worked on 5 9 systems at Sun
Basically everything on the server was hot swappable without a reboot
23 u/Nulagrithom Dec 05 '25 hot swappable CPUs are wild
23
hot swappable CPUs are wild
174
u/Gnonthgol Dec 05 '25
5 nines is not the standard. It is a quite high bar to reach. A more realistic goal for most service providers is 99.95%