In the last episode (Apr 16), Brian Henning said:
> I am trying to get some info on the cache for nfs on the nfs client.
> I have looked at nfsstat
> where are the settings located for the nfs cache?
I think they're just part of the system's regular disk cache, except
for the sysctl below.
> the setattr percentages are really high on this server. The is the
> main reason i want to know what is going on with the cache.
Getattr, you mean? That just means that the client has stat()'ed a
file twice within the timeout specified by the
vfs.nfs.access_cache_timeout sysctl, and has pulled the value from its
cache instead of querying the server.
> Version 2: (185583924 calls)
> null getattr setattr root lookup
> 0 0% 175265837 94% 66975 0% 0 0% 6407008 3%
So here, 94% of the getattr calls were pulled from cache.
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