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/proc/meminfo のそれぞれの値の関係は?

Solution Unverified - Updated -

Issue

ここでは、高レベルの統計と低レベルの統計について説明します。まずは、最も一般的な値の概要である cat /proc/meminfo の結果を以下に示します。

root:   total:          used:           free:           shared: buffers:        cached:
Mem:    1055760384      1041887232      13873152        0       100417536       711233536
Swap:   1077501952      8540160         1068961792

MemTotal:               1031016 kB
MemFree:                13548 kB
MemShared:              0 kB
Buffers:                98064 kB
Cached:                 692320 kB
SwapCached:             2244 kB
Active:                 563112 kB
Inact_dirty:            309584 kB
Inact_clean:            79508 kB
Inact_target:           190440 kB
HighTotal:              130992 kB
HighFree:               1876 kB
LowTotal:               900024 kB
LowFree:                11672 kB
SwapTotal:              1052248 kB
SwapFree:               1043908 kB
Committed_AS:           332340 kB

個々の値について以下で説明します。まずは、高レベルの統計に関する内容です。

Environment

  • Red Hat Enterprise Linux 3
  • Red Hat Enterprise Linux 4

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