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- Red Hat Enterprise Linux
Sar -r has a kbcommit column. The man page describes this as the amount of memory needed for the current workload.
When i subtract this from memory total in /proc/meminfo, the numbers dont match up with that or free...as to what is available or free
i have been using the kbcommit column in comparison to memory total because it seems more accurate, but is it?
The end result here is to have a good assement of when to increase memory based on workload requirements.