The server shows less total memory in
top compared to the physical memory installed in the server as DIMM modules. For example, the server with 12Gb RAM (3 x 4Gb DIMM modules) shows just 11.5 Gb total memory in the
$ free -b total used free shared buffers cached Mem: 12314402816 1381797888 10932604928 0 54702080 566779904 -/+ buffers/cache: 760315904 11554086912 Swap: 17179865088 0 17179865088 $ bc -lq 12314402816/1024^3 11.46868133544921875000
- Red Hat Enterprise Linux
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