[erlang-questions] Mnesia: beyond the 2GB limit on 32bits arch

Igor Ribeiro Sucupira <>
Mon Jan 18 21:26:48 CET 2010


Hi, Zabrane.

Are you planning to use disc_copies (you will need about 1.3 TB of RAM
on your cluster) or disc_only_copies tables?

Igor.

On Mon, Jan 18, 2010 at 4:26 PM, zabrane Mikael <> wrote:
> Hi list,
>
> I'd like to use Mnesia with "disc_copies" schema to store 17
> millions <key,val> pairs.
> Each key is uniq 160B string. The overall datasize is ~1.3TB.
>
> How could I solve that knowing that Mnesia uses DETS behind the scene and
> the latter
> has a 2GB limit?
>
> N.B: I'm aware of "tcerl", "dbd" drivers for Erlang, but I'm only looking
> for pure Erlang solution.
>
> Regards
> Zabrane


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