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On 12/27/13 08:50, Alexander Puchmayr wrote: |
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> On Freitag, 27. Dezember 2013, 00:42:06 Alan McKinnon wrote: |
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> |
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>> What column in htop shows that number? |
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>> |
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>> top, htop, and all their friends do not display what most people assume |
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>> they display. Modern OSes (for more than a decade now) manage memory in |
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>> a way that makes it impossible to answer "how much memory is this app |
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>> using?" |
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>> |
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>> If you are looking at the VIRT column, just ignore it, that column is |
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>> practically useless for most rational viewings of {h,}top |
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> I know, the VIRT column shows the size of the virtual adress space of the |
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> process, and this has nothing to do with the real, physical amount of memory |
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> allocated. |
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> |
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> The RES column shows the resident memory, i.e. those pages actually in use and |
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> kept in memory, exclusive those pages swapped out. This column shows currently |
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> 1185M (after rebooting this morning) |
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> |
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> |
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> |
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I think the best way to measure how much memory a process is using is to |
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kill it and see how much memory is freed. |