The percentage of NFS server calls to read client attribute high.
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- NFS configuration changes. A very high percentage of getattr requests
can indicate that the attribute cache window has been reduced with the actimeo or noac mount options in use.
- Sudden increase in NFS activity.
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Check to see if your NFS client settings have been recently modified and refer to your NFS man pages for recommended settings.
Check for modified NFS client attribute cache values in particular.
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