[erlang-questions] Mnesia

Steve Davis <>
Tue Oct 13 02:36:01 CEST 2015

Yes :)

Let’s discuss what the tick boxes are.
And be specific on where they break down (e.g. terabyte data storage).
And given where they break down, what paths to take.

I suspect there’s not too many use cases that aren’t addressed, and those unreasonably dominate discussion about mnesia.


In general, 

> On Oct 12, 2015, at 7:29 PM, T Ty <> wrote:
> Always lol
> Use mnesia until it is no longer useful. As long as you have all the tick boxes marked mnesia is great. And once it breaks down then either consider moving to another system or radically changing your architecture the way WhatsApp did.
> On Tue, Oct 13, 2015 at 1:08 AM, Steve Davis < <mailto:>> wrote:
> Hi,
> I’m almost ashamed to say that it’s taken me over 5 years to come around to understanding the value of mnesia.
> I bought the “well-known” negatives too fast. I have explored relational connectors, DHT solutions and a number of other approaches...
> It’s dawned on me *finally* that 90% of the time, a well implemented mnesia solution would have been better, faster, and cheaper.
> Did I mention "better"?
> Has anyone else had this experience?
> /s
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