refactor cron schedule

app/logical/daily_maintenance.rb

@@ -0,0 +1,8 @@
+class DailyMaintenance
+  def run
+    PostPruner.new.prune!
+    Upload.delete_all(['created_at < ?', 1.day.ago])
+    ModAction.delete_all(['created_at < ?', 3.days.ago])
+    Delayed::Job.destroy_all(['created_at < ?'], 1.day.ago)
+  end
+end

config/schedule.rb

@@ -9,25 +9,17 @@ every 1.hour do
 end
 
 every 1.day do
-  runner "PostPruner.new.prune!"
+  runner "DailyMaintenance.new.run"
 end
 
 every 1.day, :at => "1:00 am" do
-  runner "Upload.delete_all(['created_at < ?', 1.day.ago])"
-end
-
-every 1.day, :at => "1:30 am" do
-  runner "ModAction.delete_all(['created_at < ?', 3.days.ago])"
-end
-
-every 1.day, :at => "2:00 am" do
   command "cd /var/www/danbooru2/current ; script/donmai/backup_db"
   command "cd /var/www/danbooru2/current ; bundle exec ruby script/donmai/backup_db_to_s3"
   command "cd /var/www/danbooru2/current ; script/donmai/prune_backup_dbs"
 end
 
-every 1.day, :at => "3:00 am" do
-  command "psql --set-statement-timeout=0 -hdbserver -c \"vacuum analyze verbose;\" danbooru2"
+every 1.day, :at => "2:00 am" do
+  command "psql --set statement_timeout=0 -hdbserver -c \"vacuum analyze verbose;\" danbooru2"
 end
 
 if environment == "production"