[acdha]

That sounds like they’re running x86 containers. I use Podman amd it’s very fast with ARM but notably slower when emulating x86 and there’s at least one case where this hit a JVM race condition in some old vendor code which still uses JDK8.

[teaearlgraycold]

I'm able to use arm containers for my work and it doesn't seem any slower than what I'd expect from native performance on my M1.

[acdha]

Ditto: slowness is my cue to rebuild the container for both architectures