The PBS datastore on the external drive was shared into the VM over a PVE virtiofs mount. Backups failed roughly half the time, always with the same error, os error 23 — ENFILE, too many open files. Half the 03:00 UTC vzdump window was going to waste, and the failure looked random.
It wasn't random, and the fix wasn't a better mount.
I ran this for a while with two agents on the same engine and both of them felt sluggish, and I couldn't work out why. The engine reported good numbers. The experience didn't match.
The answer is the prefix cache, and it's structural — not a tuning knob.
In this post I'm going to discuss project and user agents for each of the platforms as well as native and third party applications that allow remote access to your agents.
In this post, I'm going to show you how to get amazing notifications from each of your self hosted services.
Even though I would recommend just setting up Authentik as an identity provider, I'll go over how to do Google as well.