[lifty]

Hi there, I scrolled through the video and also read the blog post describing your stack and couldn't find anything about your data modeling and persistence layer. To me that is the most interesting part since you are a bank but at the same time you are using a micro service based architecture. Is there any information available about what database you use and how you manage your data?

[mattheath]

We store the vast majority of our data in Cassandra, which gives us tuneable consistency and high availability given its master-less architecture. Those properties suit the rest of our architecture perfectly, though there are of course trade offs involved. Each service then has its own keyspace and is unable to access the data of other services.

[bsaul]

I'd be much more interested in understanding how you managed to handle banking level transaction on a non rdbms system like cassandra, than how you coded some logic in go.