That looks like it's the front for when there was versioning of config in the rest api. The versioning was based on hibernate envers so had licence issues, and stored change history into the rest rdbms.
That functionality should probably come back one day once we have a proper approach to config management and versioning of the zookeeper config. Simon > On 31 Aug 2017, at 11:38, Otto Fowler <ottobackwa...@gmail.com> wrote: > > https://github.com/apache/metron/blob/master/metron-interface/metron-config/src/app/model/sensor-parser-config-history.ts > Can anyone explain the usage and purpose of this type and how it relates to > sensor-parser-config? > > ottO