Messages in this thread |  | | | Date | Mon, 21 Mar 2005 11:46:41 +0100 | | From | Raphael Jacquot <> | | Subject | Re: Why is NFS write so slow? |
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Xin Zhao wrote: > Sorry for the dumb question. > > I am trying to develop a new filesystem based on NFS, which runs in a > very fast network environment. I used the source code of NFS2, but > noticed that NFS write is very slow. Even if I changed wsize to 8192, > it still can only reach 1MB/s. I don't know why. Because the network > is extremely fast (over 100MB/s), I don't think network is the only > reason. Any other reason? > > Is the NFS write synchronous? Does that means the NFS server will not > return before the data is flushed to disk? Because nfsd_write will > close the file every time, I will assume that the data will be flushed > to disk before return. However, even if I change nfsd_write to stop > closing file, the write speed is still very slow. Can someone give me > some advice about this? > > Thanks in advance!
because NFS is now at version 4, so you're 2 versions late ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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