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Well I'm rocking the default cache setting of no cache. I'm not a fan of losing data in-flight ;)

Yes Memory Ballooning... thought that was pretty obvious.

In my case I don't have storage on any of the PVE Nodes, it's over NFS on a dedicated NAS.

The performance problems I saw with Ballooning is so substantial that I'm never going to re-enable that, but certainly worth raising as a relevant aspect.

The example VMs are fresh VMs, there should not be such a huge discrepancy. 500MB used vs 6.5GB used... Yes, I know this has been discussed to death, clearly the problem persists, and as such it defeats the whole point of even having this metric presented. And I was already accounting for disk...

I've intentionally turned Ballooning off for all RAM for all VMs because it has caused significant performance issues. But this problem also persisted when Ballooning was on for some of them.

I'm rocking PVE v8.2.7 in my cluster, and I've upgraded it in-place since v2.3, and in all this time (over a decade?) I have almost never found the "Memory usage" metric at the webGUI scope of VMs to be accurate. I namely run Linux VMs, but even for Windows, FreeBSD, whatever, it's _never_...

As I said, I'm trying to get insights from the Devs here, and not opinions but facts with evidence. I don't really see how that was unclear.

Hey Folks, Hoping to get some response from the Proxmox Staff/Devs on this. Namely looking for evidence of known problems in a particular scenario. I'm currently building out a PoC for 3x PVE cluster, whereby it also provisions a Ceph cluster, and I extend that Ceph Cluster to provide NFS HA...

I want to clarify a bit on what I mean by "Swap, in my professional experience and opinion, should only ever be used as last resort.". Swap should (almost) _NEVER_ be turned off, except maybe special circumstances like on kubernetes nodes where it is part of the recommended architecting (by the...

I've been working with Linux for 20+ years and using swap for more than emergency situations has tangible performance and wear-level costs. I am in the real world, just like you, and it is my responsibility to deal with aspects like this of architecture. Consider for a moment what forum we're...

Sure, and none of that warrants ZRAM IMO. Also, you don't need swap to enable rapid RAM loading/unloading, that would actually substantially slow it down as the swap device itself would be a huge bottleneck relative to the performance of said RAM. It would be substantially more sensible to just...

Well the LDAP aspect is more asking ahead on the topic, not something for immediately today. That being said, I really was hoping that the PVE Cluster environment would manage PAM on behalf of the admins for extending PAM to work with Proxmox VE Authentication Server by default. And if others...

I'm trying to figure out how to use accounts managed by the Proxmox VE Authentication Server in such a way that I can get CLI access (elevated/sudo/whatever) to the nodes in the cluster. Whether it's all nodes, limited notes, or whatever. I can't find anyone talking about this so far, and the...

Ahh nice! I can see the appeal of APIs, but there's use-cases I have where the webGUI is the method used, hence interest in this. :)

I know this is probably an open-ended question, but I'm trying to do upgrade and other planning for a client who has a lot of SDNs going on within their PVE Cluster. There's a few servers in the same rack, connected to I think the same switch (switching equipment is not handled by me), and so...

I'm talking about configurations at the hypervisor level, not the guestOS level. This supersedes network boot for anything as that's post-BIOS init. I'm talking about changing the default configurations when trying to create a new LXC/VM within Proxmox VE, the defaults as Proxmox sees them. I...

I've exhaustively worked through proving in multiple environments that leaving data in swap tangibly reduces performance of whatever system is doing it, as well as impacting other systems in the same environment that may or may not have anything in its own swap. Whether it's Windows, Linux, or...

Well to clarify the assumption to me is that swap should generally be empty day to day, and it should be available as "only last resort when things really start getting angry". So to me I would rather not use any RAM at all that is managed by a service (zram the service) and instead plan...

Network booting has no real capability of configuring the VM/LXC objects within Proxmox VE itself, which really is what this is about. I certainly love the ability in Open Source stuff to write our own integrations/automations, but I do believe genuinely long-term this is worthwhile for the...