# CyCAT data structure The data structure is based on a Redis-compatible data store. [kvrocks](https://github.com/bitleak/kvrocks) is the Redis-compatible data store used for CyCAT but any compatible Redis data store can be used. # Statistics ## Automatic API statistics Prefix of API statistic is `stats:f:` followed by the function name called. - `stats:f:generateuuid` : number of calls to the UUID generator API