Dominodefrag does increase the size of all databases (Domino 8.5.1 FP4 on W2K3 SP2;ODS 51; mail8.ntf) >2GB (2^32?) by generating several GB of free space. Smaller databases are not affected.
08.10.2010 19:00:38 Running Program document for 'dominodefrag'
08.10.2010 19:00:39 DominoDefrag: v3.1 (29 September 2010)
08.10.2010 19:00:39 DominoDefrag: Initializing...
08.10.2010 19:00:39 DominoDefrag: Running on Windows 5.2.3790.Service Pack 2
08.10.2010 19:00:39 DominoDefrag: Running on Domino 368
08.10.2010 19:00:39 DominoDefrag: Using contig.exe 1.55
08.10.2010 19:00:39 DominoDefrag: Using jkdefragcmd.exe 3.36
08.10.2010 19:00:39 DominoDefrag: 32bit version running on 32bit platform
08.10.2010 19:00:39 DominoDefrag: Optimize Data Volume -> Off
08.10.2010 19:00:39 DominoDefrag: Directory -> Mail
08.10.2010 19:00:39 DominoDefrag: Process Full Text Index -> On
08.10.2010 19:00:39 DominoDefrag: DominoDefrag_MinuteInterval parameter not found. Task will only run once
08.10.2010 19:00:39 DominoDefrag: DominoDefrag_RunTime parameter not found. No time limit on task execution
08.10.2010 19:00:39 DominoDefrag: Start Point -> 5
08.10.2010 19:00:39 DominoDefrag: Compact Database Before Defrag -> Off
08.10.2010 19:00:39 DominoDefrag: Summary Email Address -> Admin
08.10.2010 19:00:39 DominoDefrag: Summary Email From -> DominoDefrag_DMA12
08.10.2010 19:00:39 DominoDefrag: Enterprise Support -> Off
08.10.2010 19:00:39 DominoDefrag: Transaction Log -> On. Will defrag directory S:\Domino\TL_DMA12
08.10.2010 19:00:39 DominoDefrag: DAOS -> Off
08.10.2010 19:00:39 DominoDefrag: Performance Check -> On
08.10.2010 19:00:39 DominoDefrag: Optimize Files -> Off
08.10.2010 19:00:39 DominoDefrag: Free Space -> 5
08.10.2010 19:00:39 DominoDefrag: Free Space Max MB -> 20
08.10.2010 19:00:39 DominoDefrag: Error Logging -> Off
08.10.2010 19:00:39 DominoDefrag: Verbose Logging -> On
08.10.2010 19:00:39 DominoDefrag: Initialization complete
......
08.10.2010 20:33:22 DominoDefrag: mail\s0242027.nsf Before generating database free space is 0%
08.10.2010 20:33:22 DominoDefrag: mail\s0242027.nsf After generating database free space is 4294967076%
08.10.2010 20:33:32 DominoDefrag: mail\s0242027.nsf Performance before defrag took 9687 milliseconds to collect 49362 documents
08.10.2010 20:33:32 DominoDefrag: mail\s0242027.nsf Started Defrag
08.10.2010 20:44:45 DominoDefrag: mail\s0242027.nsf File Size -> 6675234816 bytes
08.10.2010 20:44:45 DominoDefrag: mail\s0242027.nsf Before Fragments -> 376
08.10.2010 20:44:45 DominoDefrag: mail\s0242027.nsf After Fragments -> 1
08.10.2010 20:44:45 DominoDefrag: mail\s0242027.nsf Completed Defrag
08.10.2010 20:44:46 DominoDefrag: mail\s0242027.nsf Performance after defrag took 641 milliseconds to collect 49362 documents
08.10.2010 20:44:46 DominoDefrag: mail\s0242027.nsf Performance gain is 9046 milliseconds
08.10.2010 20:44:47 DominoDefrag: mail\s0242027.ft Performance before defrag took 891 milliseconds to collect 5000 documents
08.10.2010 20:44:47 DominoDefrag: mail\s0242027.ft Started FT Index Defrag
08.10.2010 20:50:40 DominoDefrag: mail\s0242027.ft Files Processed -> 57
08.10.2010 20:50:40 DominoDefrag: mail\s0242027.ft Files Defragmented -> 17
08.10.2010 20:50:40 DominoDefrag: mail\s0242027.ft Average Before Fragments -> 10.4912
08.10.2010 20:50:40 DominoDefrag: mail\s0242027.ft Average After Fragments -> 1
08.10.2010 20:50:40 DominoDefrag: mail\s0242027.ft Completed FT Index Defrag
08.10.2010 20:50:40 DominoDefrag: mail\s0242027.ft Performance after defrag took 297 milliseconds to collect 5000 documents
08.10.2010 20:50:40 DominoDefrag: mail\s0242027.ft Performance gain is 594 milliseconds
......