Jesse Becker <[email protected]> writes:

> I seem to recall hearing that "5 halflives" is how long radioactive
> stuff has to decay before it's "safe."  Don't quote me on that though.
> :)

That rather depends on how unsafe it was to start with...

> It also looks like a real exponential decay is used, instead of a linear
> decrease (as in some of the load calculations).

That's implied by half-time/half-life, though I can spell it out in the
doc.

> This is especially interesting since it implies that negative halftimes
> are acceptible.  Sure enough, setting a negative value zeros out
> historical usage:
> https://blogs.oracle.com/sgrell/entry/a_couple_lines_on_halftime

[It's in sched_conf(5).]

> So yes, you'd need to keep your accounting files around for some number
> of halftimes.

The accounting data just aren't generally useful in this context.  See
reporting(5) about recording sharelog, which you can stuff in postgres
with dbwriter, for instance.

-- 
Community Grid Engine:  http://arc.liv.ac.uk/SGE/
_______________________________________________
users mailing list
[email protected]
https://gridengine.org/mailman/listinfo/users

Reply via email to