https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=42835 --- Comment #75 from Nick Clemens (kidclamp) <nick@bywatersolutions.com> --- I am working here on testing both methods to compare, based on the description of issues from Luis I think that subdocuments may be a better path, it was what I had looked into when researching this previously. A quick google provides a few pro cons for the two: parent-child is faster for indexing, but slower for searching subdocuments can be used in sort - not in parent-child parent-child is recommended for write heavy operations due to indexing subdocuments requiring the whole object be reindexed Overall, I think subdocuments perform as we want and we will need to focus on indexing speed. I am currently building out a large dataset for testing and will update as I progress -- You are receiving this mail because: You are watching all bug changes.