ak-iz

ak-iz

How do I deploy project with Amnesia with `mix release` on production?

I have multiple disk schemas with Amnesia. But for some reason it doesn’t work when I deploy with mix release.

I have this in my Application module:

def start(_type, _args) do
    children = [
      MyApp.CacheInitializer
    ]
  end

This is my CacheInitializer module.

defmodule MyApp.CacheInitializer do
  use Task, restart: :permanent

  @spec start_link(any()) :: :ignore | {:error, any()} | {:ok, pid()}
  def start_link(_init_args \\ []) do
    Task.start_link(__MODULE__, :run, [])
  end

  def run() do
    if Application.get_env(:my_app, :app_config)[:env] == :prod do
      MyApp.CacheBuilder.build()
    else
      Process.sleep(:infinity)
    end
  end
end

MyApp.CacheBuilder.build() starts to write on the Amnesia tables. For dev, when I run with iex it works fine (also changing the if condition so it can work with dev). There I run command: mix amnesia.create -d Database --disk!.

The error I get when I run my release through start is:

15:14:52.447 [error] Task #PID<0.4991.0> started from MyApp.Supervisor terminating
** (stop) {:aborted, {:no_exists, Database.InValidRssCache}}
    (mnesia 4.18.1) mnesia.erl:361: :mnesia.abort/1
    (mnesia 4.18.1) mnesia_tm.erl:1067: :mnesia_tm.dirty/2
    (my_app 0.0.1) lib/my_app/amensia/database.ex:32: Database.InValidRssCache.write!/1
    (my_app 0.0.1) lib/my_app/invalid_rss_cache.ex:14: MyApp.InvalidRssCache.write!/2
    (elixir 1.13.4) lib/enum.ex:937: Enum."-each/2-lists^foreach/1-0-"/2
    (my_app 0.0.1) lib/my_app/cache_builder.ex:15: MyApp.CacheBuilder.build/0
    (elixir 1.13.4) lib/task/supervised.ex:89: Task.Supervised.invoke_mfa/2
    (stdlib 3.14) proc_lib.erl:226: :proc_lib.init_p_do_apply/3
Function: &MyApp.CacheInitializer.run/0
    Args: []
{"Kernel pid terminated",application_controller,"{application_terminated,my_app,shutdown}"}
Kernel pid terminated (application_controller) ({application_terminated,my_app,shutdown})

Crash dump is being written to: erl_crash.dump...done

I also start my release with $BOOT_SCRIPT_CLEAN, running Amnesia.start doesn’t help anything, as soon as I run my application, I get the same error.

Is there something else needs to be done here? Or is there a way I can run my application having Amnesia with mix release? Any help?

Where Next?

Popular in Questions Top

9mm
I am constructing a JSON object (map) and I need to conditionally set a field. I’m trying to write proper elixir-way code… and I’m at a l...
New
New
marius95
Hello everyone, I try to use an Javascript Event Handler in my root.html.leex file. Therefore I created a function in the app.js file: ...
New
minhajuddin
I have seen a lot of code which picks the first element from a list using Enum.at(0) instead of List.first. Is there a reason why people ...
New
fireproofsocks
I’m working on defining a simple Ecto schema for a table (in PostGres), but I don’t see where I can define a column as NOT NULL. Conside...
New
Lily
In templates/appointment/index.html.eex: &lt;%= for appointment &lt;- @appointments do %&gt; &lt;tr&gt; &lt;td&gt;&lt;%= appoi...
New
aalberti333
As the title describes, I’m trying to run Enum.map() over a list of key/value pairs, where the value is a map. My data looks like this: ...
New
bsollish-terakeet
Credo is smart enough to check for (something like) this: assert length(the_list) == 0 with this response: Checking if an enum is empt...
New
shijith.k
I am trying to start a new phoenix project with elixir 1.9, but mix phx.new does not work. It says that ** (Mix) The task "phx.new" could...
New
JorisKok
I have a server on AWS, and was running a load test using artillery. When looking at the Phoenix dashboard I see the Ports going to 100% ...
New

Other popular topics Top

malloryerik
Hi, this is for people who, like me, have had some friction using .html.heex templates in VSCode. The solution seems to be, in a hyphena...
New
marius95
Hello everyone, I try to use an Javascript Event Handler in my root.html.leex file. Therefore I created a function in the app.js file: ...
New
JeremM34
Hello, how can I check the Phoenix version ? Thanks !
New
stefanluptak
Hello everybody, usually, I use a 29" ultra-wide monitor for VSCode which can easily accomodate explorer (files panel) + file with code ...
New
joeerl
Hello again - after a longish gap I’ve decided I really must dig into Elixir and see what’s been happening here - so I have a few questio...
New
komlanvi
Hi everyone, I was playing with phoenix liveView but I run into an issue. I have a form and want to validate each input text when the te...
New
shijith.k
I am trying to start a new phoenix project with elixir 1.9, but mix phx.new does not work. It says that ** (Mix) The task "phx.new" could...
New
hariharasudhan94
I would like to know what is the best IDE for elixir development?
New
openscript
Hello! Sorry for this astonishing simple question, but I’m really stuck. I try to set up the intellij-elixir plugin, but I don’t know ho...
New
dogweather
I wrote this comment on r/haskell, and it’s not popular there. :wink: But I think I’m on to something… Haskell reminds me of Java, and e...
New

We're in Beta

About us Mission Statement