Windows 2019 Slower Than Windows 2012 R2
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Safe to assume that any other moving parts have been taken out of the picture / accounted for (change in AV for instance)?
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@scottalanmiller that's hardly any difference than Intuit Quickbooks. I have the same issue. However, it's more than likely SMB that causes that crap.
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I wonder if the new feature in Server 2019 called SMB WriteThrough would help in this situation. https://www.veeam.com/blog/new-smb-client-parameter-windows-server.html
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@scottalanmiller just read this post from Intuit support which I know what your talking about is different. But I recall Intuit not even supporting NAS/SAN unless it was built on a Windows or Linux system. But some reports from intuit say defragmentation causes the problem, even when on an SSD. I smell fish.
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@DustinB3403 said in Windows 2019 Slower Than Windows 2012 R2:
And more to the point did enabling SMB1 resolve the issue?
It did a ton, but going to see what more can be done. But it was a great start.
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@krisleslie said in Windows 2019 Slower Than Windows 2012 R2:
But I recall Intuit not even supporting NAS/SAN unless it was built on a Windows or Linux system.
Intuit can't even tell if it is built on one of those. Effectively, they are all built on one or the other, alternatives are super rare and limited to the crazy high end. MOstly it just rules out NetApp, which of course works better than pretty anyone. So that's how dumb that is.
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@JaredBusch said in Windows 2019 Slower Than Windows 2012 R2:
You might look at VMQ.. it is supposedly not a problem anymore. but meh...
Testing this tonight.
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@scottalanmiller said in Windows 2019 Slower Than Windows 2012 R2:
@JaredBusch said in Windows 2019 Slower Than Windows 2012 R2:
You might look at VMQ.. it is supposedly not a problem anymore. but meh...
Testing this tonight.
I'd disable VMQ anywhere you can find it. At the host level and the guest os level.
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Did you try the DirectoryCacheLifetime I mentioned in chat?
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@JasGot said in Windows 2019 Slower Than Windows 2012 R2:
Did you try the DirectoryCacheLifetime I mentioned in chat?
One thing at a time. Can't change two things at once or we won't know what is or isn't working.
