"I have a mind like a steel... uh... thingy." Patrick Logan's weblog.

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Monday, June 16, 2008

Erlang Supervisor Hierarchies in Scala

Initial attempts to duplicate Erlang in other languages tend to make a lot of simplifying assumptions, either knowingly or unknowingly. Distribution is a big feature often overlooked initially, and beyond that "supervisor hierarchies" in which various distributed processes are either workers (do the real work) or supervisors (ensure the real work continues in the face of process or node failures).

Jonas has started an implementation of supervisor hierarchies for Scala's agents, as well as a basic "generic server" framework approximating Erlang's gen_server, etc. So far I think it's all running in one JVM, but it's a good start at illustrating all that Erlang does on behalf of a distributed system.

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Portland, Oregon, United States
I'm usually writing from my favorite location on the planet, the pacific northwest of the u.s. I write for myself only and unless otherwise specified my posts here should not be taken as representing an official position of my employer. Contact me at my gee mail account, username patrickdlogan.