Gmail Services Global Outage

Post by dredmorbius » Wed, Jan 30, 2019, 5:00 AM UTC

Balgair wrote: post #125

josefresco wrote: post #102

Earlier quoted context omitted.

I believe Google (G Suite) only claims 99.9% - sounds small, is actually a huge difference. They typically achieve a better % but that is all they "guarantee". "Service Credit" means: (a) 10% of the total invoice charges for the affected month if the Monthly Uptime Percentage for any calendar month is between 99.0% and 99.9%; or (b) 25% of the total invoice charges for the affected month if the Monthly Uptime Percent…

For reference: over the course of a year, if you have an uptime of 99%, that means you are down for 3 days 15 hours per year. If you have 99.9% uptime, that means the downtime is roughly 9 hours per year. If you have 99.99% up, then the down is ~ 53 minutes per year. 99.999% then gives you ~5 minutes of down per year. 99.9999% will then give you ~31 seconds of downtime per year. One thing to keep in mind is that for…

Post by tracker1 » Wed, Jan 30, 2019, 9:02 PM UTC

x3tm wrote: post #136

CydeWeys wrote: post #89

Earlier quoted context omitted.

Also, brakes contribute to service unavailability. Brake pads need to be replaced on average every 50k miles, which takes the average driver 4 years. And let's say the average length of time your car is at the mechanic's to fix brakes is 3 days. That's 3 days of unavailability every 4 years just for brake pad replacements, or 99.8% availability (two nines!), just because of brake pad repairs. Add in all the other req…

Gmail seems to have 3 nines, although I couldn't find a better reference than this [1], where other services are included: > [Google's infrastructure] delivers Gmail and other services to hundreds of millions of users with 99.978% availability and no scheduled downtime. [1] https://support.google.com/googlecloud/answer/6056635?hl=en PS. 99.978% availability translates as a downtime of ~ 2 hours/year total. Not bad! B…