[erlang-questions] Date of First Release of Mnesia

Håkan Mattsson <>
Fri Sep 21 13:01:44 CEST 2012


Mnesia had this feature from the very beginning. It was present in
Erlang/OTP R1A which was released in june 1996. But Erlang/OTP did not
reach the open source community until 1998.

/Håkan

On Fri, Sep 21, 2012 at 12:01 PM, Fredrik Linder
<> wrote:
> Hi folks,
>
> When was the first release of Mnesia with support for disc_copies (ram +
> disk)?
>
> In http://en.wikipedia.org/wiki/In-memory_database, under "Hybrids with
> on-disk databases", they claim that the first database engine to support
> both ram and disk tables did so in 2003. I remember using Mnesia with this
> feature year 2000.
>
> Thank you
> /Fredrik
>
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