Uptime SLA Debates
The cluster focuses on discussions about service uptime guarantees, the meaning of 'nines' (e.g., 99.9%, 99.99%), allowable downtime calculations per year or month, and whether these SLAs are adequate or embarrassing for SaaS and cloud providers.
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Perspective: 1 hours downtime a year is already better than 4 9s
99% uptime guarantee is embarrassingly low.
There goes the 99.95% uptime guarantee.
Network availability 99% is very bad, it's about 3 days/year of downtime. (If you have clients - they will kill you)
99.9% uptime is still more than 40 minutes downtime per month. According to their status page they are at 99.93% uptime for the current quarter even with the current incident.
100% uptime is impossible. Remember you can get 99% uptime (2 nines) if you're down for 4 days in a year.
The gist of it is a 99.9% uptime guarantee.
Nothing, since 99.9% allows them nearly 9 hours of downtime a year.
Just curious does it still make sense to claim that up time is X numbers of 9? (e.g. 99.999%)
They only guarantee 85.66% uptime. They need to sleep too!