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Abnormal CPU utilization on PBS VM when Pulse is connected #813

@mtnman1000

Description

@mtnman1000

Describe the bug
The proxmox.backup.proxy service uses 20% CPU above the average of 5% when the host is connected to Pulse.

To Reproduce
Steps to reproduce the behavior:

  1. Connect Pulse to the host

Expected behavior
To see the CPU maintain its average of ~5% when no jobs are running

Environment:

  • Pulse Version: 4.36.2
    -ProxmoxVE LXC using defaults
    -Proxmox: 9.1.1
    -OS: Debian Trixie
    -PBS 4.1.0

Additional context
I installed the newest Pulse version before submitting this. I do not have the agent installed on the PBS since it is a vm

I noticed that when Pulse is connected to the hosts, each check on the datastore ~40 times per minute. When it is shut off that goes to 12 per minute. I don't know what else to look at.

::ffff:IPADDR - root@pam!pbs-token [04/12/2025:18:13:25 -0800] "GET /api2/json/admin/datastore/pbs-datastore/status" 200 71 proxmox-backup-client/1.0
::ffff:192.168.85.11 - root@pam!pbs-token [04/12/2025:18:13:34 -0800] "GET /api2/json/admin/datastore" 200 81 libwww-perl/6.78

💡 Tip: If you're experiencing connection issues, API errors, or missing data, you can attach diagnostics from Settings → Diagnostics tab → Export for GitHub (sanitized version)

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