Needs of a swapper
Describe briefly the needs for a swapper to work?
Expert
The swapper works on the utmost scheduling priority. Firstly it will look for another sleeping process, when not found then it will come across for the ready-to-run process for swapping. However the main need for the swapper to work the ready-to-run process should be core-resident for at least two seconds before swapping out. And for swapping in the process should have been resided in the swap device for as a minimum of two seconds. When the requirement is not assured then the swapper will go into the wait state on which event and it is awaken once in a second through the Kernel.
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