garbage collector

Hello, I am running Proxmox Backup Server 3.0-2 which has been failing on the nightly Garbage Collect at 68% which the following error: Any suggestions on where to go from here? The following is the full job log:

I have read all the forum posts related to slow GC. I have to bring this topic up again and ask for help. I use PBS 2.3-2. The work of the disk subsystem does not cause any complaints. Carried out the tests: 1) with copying a single huge file. 2) unpacking their documents from the archive to...