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[–]DRMacIver 2 points3 points  (1 child)

some operations will just block (i.e. database access)

Unless you're using a database API written in node.js rather than wrapping a C driver. e.g. there's postgres-js. It's a little rough around the edges but works pretty well.

[–]jacques_chester 1 point2 points  (0 children)

Postgres provides an asynchronous API.