[CentOS] Excessive NFS operations

[lhecking at users.sourceforge.net]

> Do you have anything running that would try to read all the files and build a 
> search index - like beagle?   There's also the nightly run of updatedb but that 
> just reads the filenames and normally nfs mounts are excluded.
 
 There is no package beagle installed, I don't know if any other software
 doing this is part of a standard CentOS install. Definitely not updatedb,
 mlocate.cron runs once a day in the early morning, but the load pattern
 we see is a continuous increase.