On Sat, Apr 10, 2010 at 12:18 AM, Daniel, Wu <dtrace...@gmail.com> wrote:
> We have a NFS data volume, reading data from it is so slow(10 minutes to > copy 512M). But since we have 25G free memory, why solaris 10 doesn't cache > the data in the file system cache? If the free memory is nearly 0, and the > read is bad, that means we reach the limit of the system. But since we have > so much free memory, the system is not optimized, right? What do I need to > look into? > Please send more information about your OpenSolaris version, mount options for the NFS share, network topology. Are you reading the same file over and over ? Additionally you can try using iozone to run more thorough tests (eg. iozone -s512m -r8 -i 0 -i 2 -t 2 -c -o -O). -- Giovanni
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