[erlang-questions] What database can I use with erlang to store 100M records and select single one in 0.1s

Rapsey rapsey@REDACTED
Tue Feb 17 19:21:38 CET 2009

I hope this does not sound too rude, but what you're asking is a database
optimization question that does not really have much to do with Erlang. I'm
sure there is a ton of information out there on how to efficiently save a
large amount of data in a DB. Figure that out first, then bother with


2009/2/17 Scott Zhang <getyourcontacts@REDACTED>

> Hi.
> I opened a question about mnesia days ago. Now I am facing another
> question.
> I am going to scrape large amount of data and put them into database.
> Previously, my program was written in .NET/C# and saved the records into
> SqlServer, after 10 days running, I have 63M records in database which make
> SqlServer really slow, select single record need more than 1 minute which is
> unacceptable.
> And days ago, I tried to save 7M records in mnesia with table type=
> disc_only_copies. I tested , select single one from that talbe need more
> than 20 seconds which is unacceptable too. ( I don't want to conclude
> mnesia's performance is worse than SqlServer.)
> Lenz suggested me to use couchDB, just checked, couchDB depends on too much
> things and these depends make it hard to configure on window system.
> So here, does anyone has a good suggestion for a database can fit 63M(this
> time may get 2billion) and select one node within 1 sec?
> Thanks.
> Regards.
> Scott
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