Hi Steve, Thanks for the reply. I can change fstab to add noatime option. The kernel I'm running is 2.6.32-358.23.2.el6.x86_64 (centos 6.5) so don't know if it's new enough. The services running are vsftp, samba4 and rsync, they all serve files for different users. I'll have to do some studying to learn how to find out the cache usage of those services. Regards,
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