pbs-fast-gc

A slightly faster gc tool for your proxmox-backup-server

How it works

scanning indexes and chunks in parallel.

How to use

1. build binary or download from release
2. Wait till all proxmox backup is finished
3. (optional) Set the proxmox backup storage to read-only
4. run ./pbs-fast-gc -baseDir /path/to/your/proxmox-backup/storage
5. review the output (?)
6. run ./pbs-fast-gc -baseDir /path/to/your/proxmox-backup/storage -delete to actually delete the unreferenced chunks

GC Speed

filesystem	size	Time
juicefs with redis	30T	scan 2min, delete < 10m
ext4 on sdd	9T	scan 1min, delete < 1m