Why top shows different information for memory usage?

Solution Verified - Updated -


  • Customer tested several nodes with the same configuration and hardware
  • There were two different kinds of display for memory information amond those nodes as shown below:

    Mem:  8207788k av, 6674208k used, 1533580k free,       0k shrd,    3124k buff
          3865924k active,            2062944k inactive
    Mem:  4099796k av, 4081236k used,   18560k free,       0k shrd,  228936k buff
                       2526008k actv,  961568k in_d,   95620k in_c
    Swap:       0k av,       0k used,       0k free               2754252k cached
  • Customer wants to know why it shows different output even in the same configuration


OS : Red Hat Enterprise Linux 3 Update 7

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