Erlang Ets tables between Nodes

Question

I've got an ejabberd server with a good amount of custom modules running. I have several mnesia tables and I know these can be easily copied between nodes without any change to the code at all. I was wondering if there's a similar way with ets tables?

Ideally it'd be nice to be able to have several machines running with exactly the same mnesia and ets data, without having to convert my ets tables into mnesia tables. (And thus rewriting a good amount of code.)

One though I had was doing an rpc:call on the ets tables for each node, but I was unsure about the impact this would have on performance.

If anyone has any answers please let me know.

Answer 1

No, ets table contents can not be replicated for you.

Replication (and transaction safety) is the feature that the mnesia database application introduce, its implementation uses ets for ram_only tables.