diff --git a/app/services/check_processor.rb b/app/services/check_processor.rb
index cb857bc..f64cad3 100644
--- a/app/services/check_processor.rb
+++ b/app/services/check_processor.rb
@@ -29,10 +29,15 @@ module CheckProcessor
         end
 
         group_finished_at = Time.now
+        check_ids = checks.map(&:id)
+        check_logs = check_errors_scope(check_ids: check_ids,
+                                        after_date: group_started_at,
+                                        before_date: group_finished_at).includes(:check).all
 
-        check_errors_scope(check_ids: checks.map(&:id),
-                           after_date: group_started_at,
-                           before_date: group_finished_at).includes(:check).each do |check_log|
+        message = "#{self.class.name}: #{check_logs.count} error(s) found for checks '#{check_ids.join(',')}' between '#{group_started_at}' and '#{group_finished_at}'" # rubocop:disable Metrics/LineLength
+        logger.debug(message)
+
+        check_logs.each do |check_log|
           message = "#{self.class.name}: check ##{check_log.check_id} for '#{check_log.check.domain}' failed (#{check_log.exit_status}) ; #{check_log.error.lines.first}" # rubocop:disable Metrics/LineLength
           logger.error(message)
         end
diff --git a/config/schedule.rb b/config/schedule.rb
index 3d8193d..179cbaf 100644
--- a/config/schedule.rb
+++ b/config/schedule.rb
@@ -5,7 +5,8 @@
 
 set :output, standard: "log/cron.log"
 
-#
+job_type :rake_with_stdout, "cd :path && :environment_variable=:environment bundle exec rake :task"
+
 # every 2.hours do
 #   command "/usr/bin/some_great_command"
 #   runner "MyModel.some_method"
@@ -19,7 +20,7 @@ set :output, standard: "log/cron.log"
 # Learn more: http://github.com/javan/whenever
 
 every 1.day, at: '1:00 am', roles: [:app] do
-  rake "checks:sync_dates:all"
+  rake_with_stdout "checks:sync_dates:all VERBOSE=1"
 end
 
 every 1.day, at: '8:30 am', roles: [:app] do