Date: Mon, 26 Mar 2012 11:34:13 +0200 From: Sven Brandenburg <sven@crashme.org> To: freebsd-fs@freebsd.org Subject: NFSv3, ZFS, 10GE performance Message-ID: <4F703815.8070809@crashme.org>
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Hi, I'm toying around with a potential ZFS based Fileserver and I'm curious as to what level of performance can be expected from FreeBSD 9 and ZFS exports via NFS(v3) over 10GE. My current testing shows that while I can easily saturate the 10GE links with ttcp, I 'only' manage about 300MB/s through NFS. In my tests, the exported files should fit into L1ARC entirely (and can be copied to /dev/null on the local machine with several GB/s.. which seems about right reading from L1). I would expect something in the region of ~900MB/s via NFS in my test case. What can be expected for 10GE in terms of NFS throughput for a 9-STABLE client+server? Are there sysctl's or similar knobs to fiddle with? If helpful, I can provide more details. Thanks :) Sven
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