[erlang-questions] ets:next/2 behavior - set vs. ordered_set

Jon Watte <>
Sat Sep 17 06:47:59 CEST 2011


So, by transitivity, the same reasons mnesia is annoying for large data
sets?

Sincerely,

jw


--
Americans might object: there is no way we would sacrifice our living
standards for the benefit of people in the rest of the world. Nevertheless,
whether we get there willingly or not, we shall soon have lower consumption
rates, because our present rates are unsustainable.



On Fri, Sep 16, 2011 at 12:47 PM, Bob Ippolito <> wrote:

> The main issues that I'm aware of are that a dets file can't be larger
> than 2GB, ordered_set isn't supported, repair is often not very fast,
> and the only way to defragment a table is to close it and re-open it
> with repair set to force (mostly a problem because of the 2GB limit).
>
> http://www.erlang.org/doc/man/dets.html
>
> On Fri, Sep 16, 2011 at 11:46 AM, Jon Watte <> wrote:
> > In what way is dets not production worthy?
> > Sincerely,
> > jw
> >
> > --
> > Americans might object: there is no way we would sacrifice our living
> > standards for the benefit of people in the rest of the world.
> Nevertheless,
> > whether we get there willingly or not, we shall soon have lower
> consumption
> > rates, because our present rates are unsustainable.
> >
> >
> >
> > On Mon, Sep 12, 2011 at 7:07 PM, Joseph Norton <
> >
> > wrote:
> >>
> >> The basic goal is to build and test a production worthy replacement for
> >> ets with disk based storage.   After I have the basics in place, I can
> >> elaborate further.
> >>
> >> thanks,
> >>
> >> Joseph Norton
> >>
> >> On Sep 13, 2011, at 9:55 AM, OvermindDL1 wrote:
> >>
> >> > On Mon, Sep 12, 2011 at 9:46 AM, Joseph Wayne Norton
> >> > <> wrote:
> >> >>
> >> >> I'm currently developing a disk based clone of the ets application.
> >> >
> >> > Can you elaborate how this is different from dets, or are you doing it
> >> > for learning?
> >>
> >> _______________________________________________
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> >> 
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> >
> >
> > _______________________________________________
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> > 
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> >
> >
>
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