NFS small files

From: Peter Hessler (phessler_at_coverity.com)
Date: 03/09/05

  • Next message: Peter Kieser: "Re: NFS small files" 
    Date: Tue, 8 Mar 2005 16:56:28 -0800
To: freebsd-performance@freebsd.org

    I'm setting up an NFS server to be used for compiling, and it seems that
    while speeds are acceptable for large files, small files take much
    longer than expected.

    Copying 10000 16K files (in a directory) takes 54seconds, while copying
    a 170M single file takes 5s.

    Are there any tricks for speeding up small file performance? I'm
    willing to give up large file performance.

    /etc/sysctl.conf:
     vfs.vmiodirenable=1
     kern.ipc.somaxconn=2048
     kern.maxfiles=65536
     net.isr.enable=1

    /boot/loader.conf:
     kern.ipc.nmbclusters=32768

    Kernel Conf:
     include GENERIC
     ident NFS
     options DEVICE_POLLING
     options HZ=1000
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