krz

What problems did you have with SQS?

I usually say “check environment”, which is usually the reason — cron jobs run in non-interactive mode, new version of system library, wrong PATH variable, new math co-processor and so on.

Do know what a critical path means.

Soda - no, but it doesn't stop at soda, it even doesn't start there. A lot of valid use cases for generating/analyzing this data.

It's all about measurable goals and improvements, not about importance.

Check out PCI DSS regulations for storing credit card numbers, they're pretty strict.