I've noticed spectrumgtw 8.65 probe is taking around 25 GB of disk space. It seems too much to me and I would like to verify whether this is a normal behaviour or not. I've looked for it in your KB and found a thread talking about a similar issue:
https://community.broadcom.com/enterprisesoftware/communities/community-home/digestviewer/viewthread?MessageKey=0575c2b3-ffef-4da9-983f-9f1707b34249&CommunityKey=170eb4e5-a593-4af2-ad1d-f7655e31513b&tab=digestviewer#bm0575c2b3-ffef-4da9-983f-9f1707b34249
Debug folder size is 12 GB and contains around 200K files. Cache folder size is around 13 GB and contains around 188K files.
Release : UIM 8.51
Component : UIM - SPECTRUMGTW 8.6.5SPECTRUM 10.2.3