To test what @J-Rod said, temporarily disable sync on the DB zvol and start the app once. If it suddenly starts in a few seconds, you've found your bottleneck. Just do it briefly and switch it back after — you can lose data on a power failure...
Did the bare metal install have a RAID controller with battery-backed RAM/cache? If so, I think that might explain the performance difference since ZFS does not confirm writes back to the OS until they have been fully written to all disks...
Memory is not reported via the Guest Agent. Give this a look: https://gist.github.com/Impact123/3dbd7e0ddaf47c5539708a9cbcaab9e3#why-is-my-vms-memory-usage-incorrect
Can you share a picture of your VM's Hardware tab, your node's Summary and your...
@uzumo : seems you are right!
The new 7.0.14-15-pve kernel with the mentioned fix appeared in the enterprise repository this morning. We're currently running it on one of our impacted production servers after some initial tests looked promising.
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Hello I've have installed this new driver on our Test servers and have done the following in terms of multi-day testing:
Boot-volume operation on vioscsi 0.1.302
Multiple reboots and device checks
Five active VirtIO SCSI controllers
Overnight...
Thanks for your feedback. There is now a newer pve-manager with version 9.2.14 available on the pve-test repo, together with pve-docs 9.2.6, with the next round of improvements for the cephx migration script, most of them based on the feedback in...
This can be done gradually, but needs a bit of care. We're currently in the process of finishing a migration helper tool and providing documentation for how to do this.
I'll drop this here: https://pve.proxmox.com/wiki/Multipath
We are currently also working on getting iSCSI, LUN and multipathing integrated into the Proxmox VE tools and web UI. So keep an eye out for it in future release notes.
VMware has or had sophisticated NUMA scheduling for many years, afaik. In many cases it intentionally hides NUMA from smaller VMs because the VM can be kept entirely within one physical NUMA node. Once a VM exceeds certain thresholds, ESXi...
Today we're introducing a dedicated repository for debug symbol packages, reachable at https://dbgsym.proxmox.com/.
Debug symbol packages (named <package>-dbgsym) contain the detached debug information for their matching binary package. They are...