Kind of puzzled about timestamps

[Jerry Feldman]

He needed a calendar watch. All of us Viet Nam veterans had Seiko watches 😁

--
Jerry Feldman <gaf.linux at gmail.com>
Boston Linux and Unix http://www.blu.org
PGP key id: 6F6BB6E7
PGP Key fingerprint: 0EDC 2FF5 53A6 8EED 84D1  3050 5715 B88D 6F6
B B6E7

On Mon, Mar 8, 2021, 9:33 PM <jonhall80 at comcast.net> wrote:

> It was 1974 and the IBM 360 had an unsigned 64 bit clock that updated (I
> believe) every ten milliseconds.
>
> The operator booted the online transactional system and mistakenly typed
> in the next day's date.   They IMMEDIATELY realized the error, shut the
> machine down and brought it up again typing in the right date....but it was
> too late.
>
> *One* transaction had been entered into the system on the "next day".
>
> After the math was done that ONE transaction offset 400,000 other
> transactions that day that would normally have an average calculated value
> of being two to three days in the system to create an AVERAGE "in system"
> transaction time of three or four hundred years (I can not remember exactly
> what we calculated).
>
> Our reports could not even print out the number, it was too large for the
> field.
>
> md
> > On 03/08/2021 7:45 PM r270 at mrt4.com wrote:
> >
> >
> > Here's my story about time...
> >
> > I had an old computer I was using as an email server and I just
> configured the time to sync once a day, which seemed often enough for
> email. The clock started to go bad, drifting several minutes a day (I don't
> remember now if it was forward or backward because I'm getting pretty old
> myself), and when it resynced each day, well, I couldn't understand why my
> logs kept indicating that the system was violating causality...
> >
> > > You could plan a vacation in Switzerland in 2030, but if an asteroid
> > > obliterates Switzerland in 2028, your vacation plans become null and
> void.
> > > It's not a contingency you need to plan for when making your vacation
> > > plans.
> > >
> >
> > Depends on the size of the asteroid. (apocalypse humor)
> >
> > Ronald
> > r270 at mrt4.com
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