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Re: [Xen-users] Xen 4.12 DomU hang / freeze / stall under high network/disk load
On 2/17/20 10:33 AM, Tomas Mozes wrote:
Just a quick note - no stall after switching to credit scheduler on xen
4.12 after 3 days.
That's great news. By 4.12 do you mean release 4.12.1, 4.12.2, or something
else?
I'm assuming when "PGNet Dev" reported 4.12 being bad and 4.13 being good, they
were using the default scheduler of credit 2.
It's worth asking on xen-devel if there's a known bug in the credit 2 scheduler that's been fixed. It looks like there were some significant changes
to the scheduling code in between Xen 4.12 and Xen 4.13, and if one was a fix I'm not sure it would have been recognized as being so.
--Sarah
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