welcome to the metasfresh Community!
As we already chatted on gitter and also had a talk I took the chance to talk with tobi about possible issues where your special expertise might come in handy.
What we need to have the possibility for serious SQL tuning is a database seed with massive data in it.
In Order to achieve that we need a way to anonymize and shred the data of a productive database in a reliable and secure way.
If you want you could join that effort to have a script shredding all data which is not supposed to be public.
We thought about having a new checkbox on column level that a PGSQLfunction could use to shredd the data in that columns.
Then we could have a database server having a live DB but without any customer data.
cheers and happy easter,