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

Ulf Wiger <>
Sat Jul 12 15:15:23 CEST 2008


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
>
>
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