[erlang-questions] mnesia table-specific options
Mon Apr 21 18:47:14 CEST 2014
It’s still progressing, although I can’t give any insights into when it might see the light of day.
On 21 Apr 2014, at 18:01, Vance Shipley <> wrote:
> On Mon Dec 20 14:56:11 CET 2010, Ulf Wiger <> wrote:
> } Some time ago, I introduced an 'external_copies' type in mnesia,
> } and this was used (with some modifications) by mnesiaex to provide
> } a TokyoCabinet back-end to mnesia. Thesis projects at Klarna have
> } played around with CouchDB backends etc.
> } I think that conceptually, it would seem good to keep the
> } ram_copies, disc_copies and disc_only_copies, regardless of
> } back-end, since they address higher-level access characteristics
> } (e.g. TokyoCabinet is, strictly speaking, also disc_only.)
> } A form of behaviour option could then be added that gives
> } additional options - e.g. tuning parameters to InnoDB, dets, ets,
> } or whatever back-end is being used.
> } Taking it one step further, it should be possible to specify a
> } default behaviour for each copy type, and override per-table.
> Has there been any progress on this concept?
> I have been looking at alternative data structures for application
> specific use cases such as treaps and range trees. I'd like to be
> able to use these without having to reinvent mnesia's distribution
> and transactions.
> erlang-questions mailing list
Ulf Wiger, Co-founder & Developer Advocate, Feuerlabs Inc.
More information about the erlang-questions