Massive increase in space used by VBR catalog after upgrade

[athome]

Anyone else seen a massive increase in disk-space used by VBR-catalog on the VBR-server after upgrade from 12 to 13? I´ve had multiple upgrades, but the latest one I´ve done with a customer. it has eaten up 20% more disk-space after just 2 days on v13. Is this to be expected? and if so when will the increase stop?
We had a 100GB partition dedicated for this vbr-catalog, which had more than 20Gb free before the upgrade, now I had to increase the disk to 160, and the catalog has grown to 110GB

Update: but after one more run of the jobs, space-used have decreased to about 60GB again

[david.domask]

Hi Anders,

Please open a Support Case for this one and allow Veeam Support to review the debug logs. The behavior does not sound expected at first blush, and while I suspect it's potentially about the Malware Detection feature, Support will be able to shed light on what's happening to cause the Guest Catalog space increase.

Please share your case number once created, thanks!