@Forza said in Epyc VM to VM networking slow:
olivierlambert said in Epyc VM to VM networking slow:
If we become partners officially, we'll be able to have more advanced accesses with their teams. I still have hope, it's just that the pace isn't on me.
Hi, is there anything new to report on this? We have very powerful machines, but unfortunately limited by this stubborn issue.
Can you test https://xcp-ng.org/forum/topic/10862/early-testable-pvh-support ?
We observe very significant improvements on AMD EPYC with PVH.
We're still pin-pointing the issue with HVM, the current hypothesis is a issue regarding memory typing (grant-table accessed as uncacheable(UC) which is very slow) related to grant-table positionning in HVM.