Re: Elixir for bosh director?

Geoff Franks <geoff@...>

FWIW, we've managed BOSHes with many deployments, some of which consist of ~1000 VMs, and not seen any direct performance issues of the BOSH director. Just lengthy deploys due to having so many VMs to iterate through.

I've also seen a significant uptick in responsiveness from the bosh cli when using the v2 cli, since ruby isn't parsing for tons of gemfiles every time I start the CLI up.

On Apr 27, 2017, at 9:01 AM, Leandro David Cacciagioni <leandro.21.2008(a)> wrote:

After more than 6 months working with elixir in prod, it crossed my mind that maybe it deserves some time of experiment and think on the possibility of a TOTAL REWRITE OF BOSH DIRECTOR USING ELIXIR.
Some of the pros that I can list out of the box (without digging to much in the technical side) are:
Ruby like syntax (I know I know... This means a lot for people that don't like erlang syntax) (I'm used to both so far)
Easiness of development thanks to OTP & FP.
Scalability (ex: <>)
True no downtime updates.
nats can be deprecated.
All the other jobs (Director, Registry, Blobstore, HM & CPI) can to be OTP/Apps (Mix powered) under the same umbrella project.
Clustering out of the box
Perfomance wins, giving the nature of elixir/erlang/OTP is easy to guess that a single bosh instance will gonna be able to manage more deployments and bigger deployments than it does now.
This is a suggestion and I would like to know if you agree or don't and why.


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