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Slow Server 2019 Disk Performance
I recently built a cluster of new to me Dell R620s, which run HyperV with various services. I noticed right away that these servers were running slower than our old servers, with poor mysql performa...
Have you tried disabled Receive Side Coalescing?
"get-netdapaterrsc" will show you "True" where it's enabled and which NICs it's enabled on (if you have more than one). Then you'll want to "Disable-NetAdapterRsc -Name *NameOftheNIC*"
I've seen significant performance improvement within my 2019 VM's with this disabled.