Date: Tue, 15 Oct 2013 13:53:16 -0600 From: Eric Browning <ericbrowning@skaggscatholiccenter.org> To: FreeBSD FS <freebsd-fs@freebsd.org> Subject: What is the NFS max thread limit Message-ID: <CAM=5oeBt8o=4zshi46_H-s0TOnP2bnWq1N%2BdLmdQtb5c3HHx7w@mail.gmail.com>
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I'm currently still debugging slow NFS performance on mac clients. Running 9 stable with a mix of 200 Mac OS X 10.8, 10.7 and 10.6 clients. Periodically I get this error on the mac side: automountd[1766]: set_and_fake_mapent_mntlevel: subdir=/Contents error: Contents not found in map=-fstab I'm wondering with 200 clients with five nfsiod threads (~1000 nfsiod threads total) am I oversubscribing the nfs server? I can't seem to configure any more than 256 threads (nfs_server_flags="-t -n 256"). When I configure above 256 I get an error about it resetting to 4: Starting nfsd. nfsd: nfsd count 512; reset to 4 Tomorrow when all the mac clients have restarted I have changed their nfsiod threads down to 1 each to see if this is indeed the issue. Thanks in advance, -- Eric Browning Systems Administrator 801-984-7623 Skaggs Catholic Center Juan Diego Catholic High School Saint John the Baptist Middle Saint John the Baptist Elementary
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