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Título
How does Spotlight calculate the swap metrics? -
Descrição
Spotlight keeps sending alerts on that swapping to and from disk is high, but the OS and check paging space shows none to very little used. When checking the memory details page, the paging numbers are still low and flat
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Resolução
Charts in the memory drilldown don't have the Swapping data , they can get the swap history from the flow history.
Right click the Swapping flow on homepage, and select Show History. The Popped-out chart will display the history data, and it could be resize to a bigger size.
The command of this chart for AIX is “vmstat -I 15” , 15 is the default refresh rate, in the result , “fi” is the swap in, “fo” is Swap out , you can compare the data and see if they are correct.
(But note the data in Spotlight flows has averaged over 30 seconds)