Date: Sun, 25 Oct 2020 01:25:08 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 249871] NFSv4 faulty directory listings under heavy load Message-ID: <bug-249871-227-a8kAkRCB2r@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-249871-227@https.bugs.freebsd.org/bugzilla/> References: <bug-249871-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D249871 --- Comment #19 from Rick Macklem <rmacklem@FreeBSD.org> --- Well, I was going to suggest trying the "readahead=3D0" mount option on a client (which disabled read ahead, including for directory blocks). Then I discovered the code didn't allow that. So, first you'll need to apply the simple patch "allow readahead=3D0 NFS mount option" and then you can try it on a client. It seems more likely that the client is broken than the server (especially since UFS and ZFS both exhibit the problem). All that a client should see when the server is under heavy load is slow response. --> Maybe that causes problems when a directory block is read ahead? --=20 You are receiving this mail because: You are the assignee for the bug.=
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