[CentOS] [Solved] Excessive NFS operations

Les Mikesell lesmikesell at gmail.com
Fri Oct 2 18:57:16 UTC 2009


Robert Heller wrote:
> 
>>  
>>>>  This is definitely a weird interaction, as neither the screensaver nor its
>>>>  components actually run on the CentOS machine. I have not checked whether
>>>>  any other activities in a vnc session cause similar behaviour.
>>> Where does the screensaver's data files (eg where are the quotes stored)
>>> live? If on the CentOS machine, then it is simply that the screensaver
>>> is making lots of NFS I/O operations.
>>  On the filer. But this retrieval script runs on the RHEL3 box(es).
> 
> The retrieval script is/was hitting on the file server to fetch the
> quotes.  It probably was doing something dumb and not caching the
> datafile.  This file access was beating on your file server.

Seems odd that caching wouldn't just happen naturally in the nfs client. 
  Maybe it is updating the access time on each read or something that 
causes the activity.

-- 
  lesmikesell at gmail.com
    lesmikesell at gmail.com


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