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VMware Guest로 Red Hat Enterprise Linux를 실행할 때 파악되지 않는(Unaccounted) 메모리 사용량

Solution Verified - Updated -

Issue

  • 무엇이 모든 메모리를 소비하고 있는가?
  • RHEL VMware 게스트에서 메모리 사용량을 파악할 수 없음:
# free
            total      used        free     shared    buffers   cached
 Mem:       7927536    6071588    1855948       0      22428     209132
 -/+ buffers/cache:    5840028    2087508
 Swap:     12582896         92    12582804
  • 애플리케이션이 많은 메모리를 할당받지 않았음에도 시스템에 높은 메모리 사용량이 표시됨:
# ps aux | tr -s ' ' | awk 'BEGIN{sum=0}{ sum+=$6 }END{print sum}'
709340

Environment

  • Red Hat Enterprise Linux
  • VMware Virtual Platform ESX server
  • VMware Memory Control Driver ( vmmemctl.ko or vmware_balloon.ko )

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