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Tuning filesystem cache usage to benefit Oracle db workloads

Bob WeinmannFeb 12 2013 — edited Feb 14 2013

We have several OEL 6 servers running Oracle 11g workloads. Typical output from a "free" command on a system with 8 Gig RAM shows 5 to 6 Gig cache usage.
Are there VMM tuning parameters that can be set to bias the system to use less filesystem cache?

In EL 5 and earlier there was a kernel tunable called vm.pagecache that I believe was used to tune cache behavior, but it is not present in OEL 6.

Thanks

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Locked on Mar 14 2013

Added on Feb 12 2013

#linux, #oracle-linux

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