[erlang-questions] Kai - An Open Source Implementation of Amazon's Dynamo

Paul Mineiro <>
Sat Jul 12 20:34:44 CEST 2008


We wrote a dets clone based upon tokyocabinet that does not have the file
size limitation, if kai needs scalable disk-based storage.

http://code.google.com/p/tcerl/

-- p


On Sat, 12 Jul 2008, Ulf Wiger wrote:

> Using 64-bit Erlang, ets is by no means limited to 2 GB
> (actually, it isn't in 32-bit erlang either. Dets is, however.
> The limitation for ets in 32-bit Erlang is the 4 GB address
> space.)
>
> See e.g.
> http://www1.erlang.org/pipermail/erlang-questions/2005-November/017728.html
>
> BR,
> Ulf W
>
> 2008/7/12 Justin Sheehy <>:
> > Lev,
> >
> > On Jul 12, 2008, at 7:51 AM, Lev Walkin wrote:
> >
> >> is it true that Kai has 2gigs limitation of ets? If yes, the
> >> claim that "Scales infinitely" is false.
> >
> > That's an incorrect conclusion.  The capacity would be
> > (capacity per node) X (number of nodes)
> >
> > In a system like this you could add capacity by adding
> > more nodes, not only by making each node bigger.
> >
> > -Justin
> >
> >
> > _______________________________________________
> > erlang-questions mailing list
> > 
> > http://www.erlang.org/mailman/listinfo/erlang-questions
> >
> _______________________________________________
> erlang-questions mailing list
> 
> http://www.erlang.org/mailman/listinfo/erlang-questions
>

In an artificial world, only extremists live naturally.

        -- Paul Graham



More information about the erlang-questions mailing list