this post was submitted on 03 May 2025
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Oh yeah, CPU usage is basically zero, and memory usage of the PHP code itself is also basically nil compared to other software I run. It's just the sudden storms of IO requests that causes issues, and since those come over a network pipe it causes issues for other pieces of software as well.
I see some CPU and memory usage on my setup... but I don't even see any IO!
Literally, the IO chart for "week (maximum)" on Proxmox for my Nextcloud LXC container is 0, except for two bursts, of 3 hours of less each. (Maybe package updates?)
The PostgreSQL LXC container has some more activity (but not much), but that's backing Nextcloud and four other applications (one being Miniflux, which has much more data churn).
Are you looking at data rates or IO operations? Because this is almost exclusively stat queries, i.e. inode queries.
I was looking at the Proxmox graphs. Now, looking at
iostat,r/smeasured over 10s hovers between 0 and 0.20, with no visible effect of spamming reload on a Nextcloud URL. If you want me to run any other measurement command, happy to.Interesting, that's definitely not what I'm seeing from regular use. Are you running any added applications? LDAP? SSO? External mounts?
I use LDAP auth, but no SSO or external mounts. Actually, I tested external mounts, but they gave me bad vibes, although they are interesting.
The other thing, I just run a preview generator application, no other plugins.