On Fri, Jul 23, 2010 at 3:11 AM, Sigbjorn Lie <sigbj...@nixtra.com> wrote:
> Hi, > > I've been searching around on the Internet to fine some help with this, but > have been > unsuccessfull so far. > > I have some performance issues with my file server. I have an OpenSolaris > server with a Pentium D > 3GHz CPU, 4GB of memory, and a RAIDZ1 over 4 x Seagate (ST31500341AS) 1,5TB > SATA drives. > > If I compile or even just unpack a tar.gz archive with source code (or any > archive with lots of > small files), on my Linux client onto a NFS mounted disk to the OpenSolaris > server, it's extremely > slow compared to unpacking this archive on the locally on the server. A > 22MB .tar.gz file > containng 7360 files takes 9 minutes and 12seconds to unpack over NFS. > > Unpacking the same file locally on the server is just under 2 seconds. > Between the server and > client I have a gigabit network, which at the time of testing had no other > significant load. My > NFS mount options are: "rw,hard,intr,nfsvers=3,tcp,sec=sys". > > Any suggestions to why this is? > > > Regards, > Sigbjorn > > > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > as someone else said, adding an ssd log device can help hugely. I saw about a 500% nfs write increase by doing this. I've heard of people getting even more.
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