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Untarring software packages takes forever. It was much faster before upgrading to ubuntu 16.04. I have bumped up the number of nfs server daemons from 8 to 32 and have also mucked with rsize and wsize with very little difference.

EDIT:

my /etc/exports:

/shared-home  *(rw,sync,no_root_squash,no_subtree_check)

Client fstab:

server:/shared-home /shared-home nfs _netdev,auto 0 0
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    What NFS protocol version is involved? Any use of the sync option?
    – thrig
    Apr 10, 2017 at 20:50
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    @thrig I updated my question. We are thinking about using async in /etc/exports. I've read different things about this being safe vs unsafe. Any opinions on this? Right now our nfs is very slow so we are open to all options to increase performance.
    – JustinBlaber
    Apr 10, 2017 at 20:55

1 Answer 1

Reset to default
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Setting the /etc/exports/ to async like so:

/shared-home  *(rw,async,no_root_squash,no_subtree_check)

fixed the issue for us.

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