Re: [PATCH RFC v5 0/2] nfsd: Initial implementation of NFSv4 Courteous Server

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On Tue, Nov 30, 2021 at 03:36:43PM +0000, Chuck Lever III wrote:
> I am a little concerned that we are trying to optimize a case
> that won't happen during practice. pynfs does not reflect any
> kind of realistic or reasonable client behavior -- it's designed
> to test very specific server operations.

I wonder how hard this problem would be to hit in normal use.  I mean, a
few hundred or a thousand clients doesn't sound that crazy.  This case
depends on an open deny, but you could hit the same problem with file
locks.  Would it be that weird to have a client trying to get a write
lock on a file read-locked by a bunch of other clients?

--b.



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