[Info-vax] Anyone interested in another public access system
Bob Eager
rde42 at spamcop.net
Sat Apr 11 15:38:49 EDT 2009
On Sat, 11 Apr 2009 19:20:47 UTC, Michael Kraemer <M.Kraemer at gsi.de>
wrote:
> JF Mezei schrieb:
>
> > Consider how Unix/Widnows applications rely on reading whole text files
> > into memory instead of using proper indexing into files. Applications
> > just as itunes and iphoto come to mind where they really should be using
> > some form of indexed file to deal with large number of records instead
> > of having a flat text file to store all record which needs to be
> > rewritten completely whenever you make changes.
>
> if performance is an issue, on Unix I'd use mmap() services in such cases.
Yes, I was using that stuff on other systems long before it was thought
of on UNIX (and the UNIX version is much more restrictive). Works well.
I seem to recall even doing something similar on VMS.
--
Bob Eager
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