How to get configuration data to a large number of threads?

[Hal Snyder]

Joe Armstrong <joe@REDACTED> writes:

> The naive solution might be to keep *all* the configuration data in
> a single server.
>
> When one of threads wants configuration data it just does a normal
> server RPC and the configuration data is returned to the client.


Taking it to the next level, suppose things are distributed on several
nodes and you don't want a single point of failure.

Do you have any techniques or recommendations, besides the basic idea
of making duplicate config servers (which can get messy in
implementation)?