[erlang-questions] Good reason for not using "releases"?

Matt Williamson <>
Mon Oct 27 13:13:42 CET 2008


I've been using erlware as well and it is _quite_ convenient. There are some
problems, but the project is still growing rapidly and the conveniences it
provides are excellent.

2008/10/20 Edwin Fine <>

> On Mon, Oct 20, 2008 at 4:05 PM, Kevin <> wrote:
>
>>
>>
>> Hello, I'm building my first erlang server program, and I've worked my way
>> up from modules, to gen_server and gen_fsm, to supervisor, to application
>> behavior.
>>
>> If this application is going to run on a linux host, and boot using a
>> linux init script, does it make sense to take it to the next level of
>> "release", or is that just more complication I don't need to deal with.
>
>
> Yes, because you will surely upgrade the code at some point (new features,
> bug fixes) and it's a pain to do this by hand or even using scripts. I
> suggest taking a look at some open source Erlang-specific software that
> allows you to build and distribute (install) your Erlang applications
> relatively painlessly. The builder component is called Sinan (
> http://code.google.com/p/sinan/); the distribution/installation component
> is called Faxien (http://code.google.com/p/faxien/). I use these for the
> job and although there are some minor imperfections, I would never go back
> to the "old way".
>
> Also take a look at the Faxien/Sinan cookbook at
> http://myfcci.com/yab/2008/09/11/my-faxiensinan-cookbook/ to get started
> (disclosure: I wrote the cookbook, but I have no vested interest in Sinan or
> Faxien other than using it for my work).
>
> I don't ever anticipate the need for hotswapping of code. The users will
>> have no issues with just restarting the entire thing just like all the other
>> stuff running from init scripts, and they might find hotswapping, or
>> whatever fancy stuff releases offers, more work than appreciated.
>>
>
> How would they like to upgrade to the latest release just by typing in "$
> faxien upgrade-release kevins_stuff" and then restart the app?
>
>
>>
>> I also don't anticipate this application sharing an running erlang system
>> with any other erlang applications.
>>
>> Thanks, especially if this is such an ignorant question.
>
>
> No question is ignorant.
>
> Hope this helps.
>
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