> David Runyon <david.runyon <at> sun.com> writes: > > > > I'm trying to get maybe 200 MB/sec over NFS for > large movie files (need > > (I assume you meant 200 Mb/sec with a lower case > "b".) > > > large capacity to hold all of them). Are there any > rules of thumb on how > > much RAM is needed to handle this (probably RAIDZ > for all the disks) with > > zfs, and how large a server should be used ? > > If you have a handful of users streaming large movie > files over NFS, > RAM is not going to be a bottleneck. One of my ultra > low-end server > (Turion MT-37 2.0 GHz, 512 MB RAM, five 500-GB SATA > disk in a raidz1, > consumer-grade Nvidia GbE NIC) running an old Nevada > b55 install can > serve large files at about 650-670 Mb/sec over NFS. > CPU is the > bottleneck at this level. The same box with a > slightly better CPU > or a better NIC (with a less CPU-intensive driver > that doesn't generate > 45k interrupt/sec) would be capable of maxing out the > GbE link. > > -marc > > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discu > ss
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