Edward Jaffe writes:


This reminds me of a Chris Craddock pet peeve -- the kind you cannot escape hearing given enough time and beer -- about modern mainframes and their operating systems having unique and spectacular capabilities that their users just obstinately refuse to exploit!


Indeed! But even their unspectacular capabilities are systematically ignored.

For my sins---At my age are they are all, unfortunately, banal---I have just found myself reviewing a set of poorly performing COBOL CICS APs. Introducing the use of pointers, local (LIFO) storage, and the like halved their resource usage; but my point was acknowledged but not taken. The shop in question will all but certainly go right on doing things as it has done them for decades until, shortly, it it is put out of business.

Perhaps the principal threat to the survival of mainframes is little talked about: It is that mainframe applications are, most of them, implemented gratuitously using circa-1970 (applications) technology.

John Gilmore
Ashland, MA 01721-1817
USA


!

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