Date: Fri, 27 Apr 2012 22:05:42 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: freebsd-hackers@freebsd.org Subject: NFS - slow Message-ID: <alpine.BSF.2.00.1204272201440.6369@wojtek.tensor.gdynia.pl>
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is there any way to speed up NFS server? from what i noticed: - reads works fast and good, like accessed locally, readahead up to maxbsize works fine on large files etc. - write works terribly. it performs sync on every write IMHO, setting vfs.nfsrv.async=1 improves things SLIGHTLY, but still - writes are sent to hard disk every single block - no clustering. am i doing something wrong or is it that broken? i tried user space nfs from ports, it's funny but it's performance is actually better after i removed fsync from code.
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