hyc(a)symas.com wrote: > quanah(a)OpenLDAP.org wrote: >> Full_Name: Quanah Gibson-Mount >> Version: 2.4.30 >> OS: Linux 2.6 >> URL: ftp://ftp.openldap.org/incoming/ >> Submission from: (NULL) (75.108.184.39) >> >> >> If you create a script to add& delete the same 50,000 users, and then >> re-run that script multiple times, the MDB database on disk continues >> to grow, despite the fact that we are only adding and deleting the same >> data repeatedly. There should be zero growth to the database. >> >> Instead, the data.mdb file went from 108MB in size to over 1.2GB after >> 5-6 runs. Time to add/delete all the users went from 3 minutes 32 >> seconds on the first run to over 90 minutes on the final run (5th or >> 6th, I lost count). > > At present, MDB is working as intended. In your test a number of overflow > pages are being used. Currently libmdb always allocates overflow pages > from new space, because it's not smart enough to search the free list for > contiguous pages. Can treat this ITS as an enhancement request for that > purpose, but this is not a new issue nor is it unexpected in the current > version of MDB. > Hm, I take this back. The overflow pages are not enough to account for the difference. Still looking.