Fix pool size

Author: vtm9

apps/codebattle/lib/codebattle/utils/release.ex

@@ -7,12 +7,23 @@ defmodule Codebattle.Utils.Release do
     Application.ensure_all_started(:ssl)
 
     for repo <- repos() do
-      {:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :up, all: true))
+      {:ok, _, _} =
+        Ecto.Migrator.with_repo(
+          repo,
+          &Ecto.Migrator.run(&1, :up, all: true),
+          pool_size: migration_pool_size()
+        )
     end
   end
 
   defp repos do
     Application.load(@app)
     Application.fetch_env!(@app, :ecto_repos)
   end
+
+  defp migration_pool_size do
+    "CODEBATTLE_MIGRATION_POOL_SIZE"
+    |> System.get_env("2")
+    |> String.to_integer()
+  end
 end

config/runtime.exs

@@ -43,7 +43,7 @@ if config_env() == :prod do
     password: System.get_env("CODEBATTLE_DB_PASSWORD"),
     hostname: System.get_env("CODEBATTLE_DB_HOSTNAME"),
     database: System.get_env("CODEBATTLE_DB_NAME"),
-    pool_size: "CODEBATTLE_POOL_SIZE" |> System.get_env("20") |> String.to_integer(),
+    pool_size: "CODEBATTLE_POOL_SIZE" |> System.get_env("10") |> String.to_integer(),
     queue_target: "CODEBATTLE_DB_QUEUE_TARGET" |> System.get_env("2000") |> String.to_integer(),
     queue_interval: "CODEBATTLE_DB_QUEUE_INTERVAL" |> System.get_env("5000") |> String.to_integer(),
     log_level: :error