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AIX paging space and swap space are same?

Posted on 2013-01-26
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I'm new to AIX. Is paging Space is same as Swap in Solaris and Linux ?
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Question by:mokkan
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woolmilkporc earned 500 total points
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Yes, that's the same.

IBM prefer the term "Page Space" because this was also the term used in their Mainframe environment.

"Swap Space" was rather used by the SUN people.

Generally swapping means moving all the space (segments) used by a process to disk which is e.g. waiting for I/O completion, whereas paging means moving only single segments.

Swapping occurs if there are severe memory constraints, paging is a more common method to move poorly utilized segments out of the way.

So regardless whether it's called "Swap Space" or "Paging Space" in any case it's used for paging and swapping.
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