ROOT+MySQL Based Data Management
Adoption of ROOT I/O for the event store left Objectivity with one role remaining to cover: the true ‘database’ functions of the event store
- Navigation among event collections, runs/events, event components
- Data locality (now translates basically to file lookup)
- Management of dynamic, asynchronous updating of the event store from one end of the processing chain to the other
- From initiation of an event collection (run) in online through addition of components in reconstruction, analysis and their iterations
- and the conditions database
But with the concerns and weight of Objectivity it is overkill for this.
So we went shopping…
- with particular attention to the rising wave of Internet-driven tools and open software