Christian, thank you!I didn't think both parameters cannot be true.19.05.2020, 19:28, "Christian Grün" :Hi Vladimir,If autooptimize is enabled, there is no need to enable updindex. Ifyou only enable updindex, it’s expected behavior that your index fileswill grow, and it’s recommended to optimize your database in regularintervals.BestChristianOn Tue, May 19, 2020 at 1:30 PM Ветошкин Владимир wrote: Hi, basex team. The base has enabled attributes - updindex and autooptimize. Why value index files (txtl.basex) are very large after time? (643MB) db:optimize with true as the second parameter optimize the database to the size 32MB. (basex 9.1.2)