[erlang-questions] Erlang with BDB

Chris Newcombe <>
Fri Aug 10 21:13:52 CEST 2007


Sending this again as I apparently hit 'reply' instead of 'reply all'.

Chris


On 8/9/07, Chris Newcombe <> wrote:
>
>
> >> Has any one here used BDB with Erlang before?
> >> Can anyone share his experience with Erlang & BDB?
>
> Yes.  In my opinion and experience, BDB is an excellent match for Erlang.
> For instance, BDB is implemented as a C library and it has such
> high code-quality that it is relatively low risk to use it directly from
> inside the Erlang VM as a port-driver (shared library).  This gives you a
> very high performance, concurrent, local-disk transactional store for
> arbitrary Erlang data.
>
> Also, BDB's replication technology is a very interesting option for adding
> fault-tolerance and scalability to many types of system.
>
> I recently spent considerable time enhancing Scott Lystig Fritchie's EDTK
> project to improve support for BDB, and add support for BDB-HA.  You can
> find it here:
>
>   http://www.snookles.com/erlang/edtk/
>
> Important: BDB a 'sharp tool' that can be painful if you mis-use it.  I
> spent a lot of time making the interface between Erlang and BDB as seemless,
> natural, and safe as possible (while retaining high performance).  But if
> you abuse the BDB API ( i.e. violate the documented pre-conditions on a
> given function, by calling them in the wrong order) then you can still cause
> any amount of havoc.    Please read the following file careful before use.
>
>   http://www.snookles.com/erlang/edtk/edtk-1.5.1.README-cnewcom
>
> I hope this helps,
>
> Chris
>
>
>  On 8/9/07, Ahmed Ali <> wrote:
>
> > Hi All,
> >
> > I'd like to use an external BerkeleyDB (BDB) with Erlang. Mnesia is good
> > for me but requirements are to use BDB or MySQL. I searched in the internet
> > and found that MySQL has more support for Erlang than BDB but I want to use
> > BDB. Has any one here used BDB with Erlang before? Can anyone share his
> > experience with Erlang & BDB? Any information is appreciated. Thanks.
> >
> > Best regards,
> >
> > Ahmed Al-Issaei
> >
> > _______________________________________________
> > erlang-questions mailing list
> > 
> > http://www.erlang.org/mailman/listinfo/erlang-questions
> >
>
>
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