Do we really need swap on modern systems?

Posted by seatex on Feb 22, 2017 3:15 AM EDT
Red Hat Blog; By Christian Horn 		Mail this story
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Swap space is a method by which an operating system can move information out of memory and store it elsewhere until it is needed again. Swap space can generally be thought of an extension of the computer's memory which lives on the hard drive. In the past, having swap space was important as computers had relatively little memory and could quickly run out of available RAM. Unused data could be punted to swap while more urgent tasks were handled in memory. These days though computers tend to have a lot of memory and it raises the question of whether there is any point in having swap space anymore and, if so, how much?

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If you want to hibernate a system you certainly need it BFM 0 1,901 Feb 23, 2017 1:26 AM

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