3 ms·
The reason it took you 12 hours to get back online? Because you really never gave much consideration to availability. You should THINK about your TTL values lo
by paulsutter 14y ago
The reason it took you 12 hours to get back online? Because you really never gave much consideration to availability.
You should THINK about your TTL values long in advance of a problem. You should also THINK about having a backup instance running (or at least ready to boot, if an hour of downtime is perfectly OK for your users).
More discussion here:
http://news.ycombinator.com/item?id=4181918 http://news.ycombinator.com/item?id=4181918
- uptown 14y ago"But you didnt, and you should feel really embarrassed about that." Sounds to me like they learned a lot, and are sharing what they've learned to help others. What's really to gain from shaming them over it?
- paulsutter 14y agoMy summary of their post is "we basically have no idea how to offer a reliable service and we know almost nothing about basic Internet protocols, and we feel like heroes anyway". I would be a lot more impressed if they were asking questions about how DNS really works and what they should do to avoid problems in the future. That would be cool.
- aaronbrethorst 14y agoPerhaps you could blog about this topic in more depth. I'd be interested in reading it.
- deleted 14y ago[deleted]