On Wed, 22 Aug 2007 08:56:12 -0500, Michael Cleary wrote: > >z/OS was built to handle this type of thing. The main issue that I see is the >initial load of each 80MB module into user storage; once that is done, the >system will trim the working set and you will basically only have in real >storage >what pages you have recently accessed. > It transpired in these pages a while ago that nowadays even the initial load is deferred until the pages are actually accessed. But if multiple address spaces have overlapping working sets there is a saving if those pages can be shared.
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