Abstract: Nowadays it’s only a lazy one who haven’t written his own metric storage and aggregation system. I am lazy, and that’s why I have to choose what to use and how to use. I don’t want you to do the same job, so I decided to share my considerations concerning architectures and test results.
7. Retention and size
• 10s:30d,1m:120d,10m:365d → 4 564 864 bytes
• 240 864 metrics in 1 TB
• aggregation: average, sum, min, max, and last.
• can be assign per metric