I run an NFS server for a small number of files from a computer I do
some dev work on. On that computer, portmap is using around 20% of CPU
when I'm not doing anything on these NFS clients, and that figure rises
significantly when I actually want to use it.
Stracing portmap shows that it seems to be opening and closing
the /etc/hosts.{allow,deny} files over and over. This not at all
necessary, since I never change those files and the security of this
particular machine is just not a priority.
Is there a way I can make it stop polling those files (or even just make
it stat them first)? Alternatively, what else can I do to reduce
portmap's CPU usage?
I'm also a little curious as to why it's doing anything at all; I don't
think anything is requesting files. Is there a way I can debug where all
these requests are coming from?
Thanks,
James.
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