dimregistryxx.db files in global domain

Hi,

Recently, we tried to take a domain copy in one of our Assortment Planning env. This has RPAS v15.0.1.23. The domain copy is huge even when the 'clone' option is used to clone only a few classes in a single local domain. We analyzed the file sizes of the files inside the copy that we have taken. We observed that there are lot of files with the name like dimregistryxx.db where xx represents numbers ranging from 0 to 100+. These files are directly under the global domain directory. The combined file sizes of these dimregistry.db files is huge which is