[Haskell-cafe] Datomic-like db for Haskell?
ovidiudeac at gmail.com
Sat Dec 24 15:50:37 UTC 2016
I'll do some research to evaluate my options. So far I have:
Homegrown implementation on top of some DB (Riak/Postgres/Mongo...)
Thanks for the answers!
On Fri, Dec 23, 2016 at 8:07 PM, Ertugrul Söylemez <esz at posteo.de> wrote:
> >> * Another option is to run an insertion-only relational model on
> >> really any database system you want like PostgreSQL. There is
> >> nothing about preserving history that needs special handling to be
> >> efficient.
> > I assume that some sort of structural sharing is needed once the
> > collections grow above a certain size. Also some support for caching
> > would be nice.
> Yeah, sharing could improve disk usage and cache utilisation. I'm not
> aware of any DBMS-side sharing features in systems I have used
> (PostgreSQL and SQLite mainly). The usual way to get sharing in
> relational systems is to normalise the schema. That also allows you to
> use domain-specific knowledge to get even better sharing.
> Caching is of course supported, at least by PostgreSQL. It aims to keep
> as much of the database in memory as possible (or as you tell it to).
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