Proxmox 7.0-11: High load / slow VMs after latest pveupdate && pveupgrade

Feb 10, 2021
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Hello,

I use Proxmox since proxmox 2.1 in single instance mode for my home server. Current hardware is a Supermicro X11+ intel i3 9100f + 64gb ECC RAM.

Currently I experience a strange problem which occured after the last pveupdate && pveupgrade cycle 7 days ago. 7.0 was freshly installed beginning of july.

Screenshot from 2021-09-25 21-16-29.png

The screenshot shows the average load for the last month. One can see easily that since the last restart (uptime 7d10h), which followed after pveupdate && pveupgrade.

Work on the VMs has not changed, even after shutting down the most cpu-intensive vm (memory usage drop on the rightmost part of the chart), the other vms remain slow and sluggish, which can e.g. be experienced when accessing a corresponding web interface (gitlab, nextcloud, onlyoffice).

my second server (for backups) is a Intel(R) Core(TM) i5-3570T and does not experience any problems (same set of updates)

I found another thread where somebody had a similar problem on proxmox 6.3 (https://forum.proxmox.com/threads/p...-reboot-of-node-load-high-cpu-ok-issue.80111/), however I can't extrapolate anything to solve the issue.

Any help is highly appreciated.
 

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