[pbs-devel] [PATCH proxmox-backup] fix #3336: api: remove backup group if the last snapshot is removed

Thomas Lamprecht t.lamprecht at proxmox.com
Mon Mar 14 18:12:02 CET 2022

On 14.03.22 16:19, Stefan Sterz wrote:
> agreed, would you mind if i open a bug for overhauling the locking
> mechanism and started work on that? i looked a bit into your proposed

that's fine.

> solution regarding tmpfs afaict there is no per directory inode limit,
> only an overall limit corresponding to halve the physical memory
> pages. we could use a completely flat structure based on either
> encoded or hashed canonical paths. im assuming thats pretty close to
> what you had in mind?

Yeah, I'd use proxmox_sys::systemd::escape_unit for flattening lock paths
and ship a systemd .mount unit file setting up a separate tmpfs in a place
like /run/proxmox-backup/locks with a relatively high inode count (size
can/should? be relatively low)

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