change default pagination to 30, set 100 for users

app/controllers/users_controller.rb

@@ -23,7 +23,7 @@ class UsersController < ApplicationController
     end
     @users = @users.order("role_id desc", "confirmed desc", :name)
     @count = @users.length
-    @users = @users.page(params[:page])
+    @users = @users.page(params[:page]).per(100)
   end
 
   def show

config/initializers/kaminari_config.rb

@@ -1,5 +1,5 @@
 Kaminari.configure do |config|
-  config.default_per_page = 100
+  config.default_per_page = 30
   # config.max_per_page = nil
   # config.window = 4
   # config.outer_window = 0