[erlang-questions] The 2 GB limit

Ulf Wiger <>
Tue Nov 24 16:06:29 CET 2009


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Igor Ribeiro Sucupira wrote:
> Hi.
> 
> Is there any plan (or work in progress) for removing the 2 GB size
> limit of dets files?
> 
> And, while this is not accomplished, do you think it could be easier
> to try to raise that limit to 4 GB? Assuming the issue is related to
> 32-bit addressing, I'm guessing (just guessing) that dealing with 4 GB
> files should not be difficult. Am I wrong? Why?

Rather than re-writing dets, I would go with something like Tokyo
Tyrant, build on a suitable erlang wrapper (like
http://github.com/mallipeddi/tora), and perhaps put something like
my sext library on top
(http://svn.ulf.wiger.net/sext/trunk/sext/examples/tt_proto.erl).

To match dets, I'd like to see some administrative code around the
creation and opening of Tyrant tables, including the ability to
"repair" the data from the transaction log. Seems doable, though.

http://1978th.net/tokyotyrant/

BR,
Ulf W
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