> There's an SLA of 99.95%, which we've consistently beat
<http://googleappengine.blogspot.com/2012/01/happy-birthday-high-replication
.html>  month over month.

"No system wide downtime"

They fire up a copy Hello world sample app, but it on a machine running on
EC2 just before they start maintenance. That way they never have a "System
wide" downtime.

Our system wide up time across all of our apps, adjusted for our own
stupidity, is 99.15%

 

AppEngine's reporting numbers don't seem to take in to account issues with
AppsForDomains Screwing up, or Google Edge screwing up, which accounts for
about half our down time.

Also note that you can be 10% down and not have that count.  Personally my
stuff doesn't work if 10% of the requests go unfulfilled, how about you?

 

I like the product but Chris, don't even go touting your uptime. It still
sucks. It sucks more than Amazon, it sucks less than Microsoft.  And it
mostly sucks because Google doesn't seem to do real app monitoring from
outside the walled garden.

 

 

 

 

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