Improved wording.

app/models/scheduler.rb

@@ -2,33 +2,33 @@
 
 class Scheduler < ApplicationModel
 
-  def self.run( worker, worker_count )
+  def self.run( runner, runner_count )
 
     Thread.abort_on_exception = true
 
     jobs_started = {}
     while true
-      puts "Scheduler running (worker #{worker} of #{worker_count})..."
+      puts "Scheduler running (runner #{runner} of #{runner_count})..."
 
       # read/load jobs and check if it is alredy started
-      jobs = Scheduler.where( 'active = ? AND prio = ?', true, worker )
+      jobs = Scheduler.where( 'active = ? AND prio = ?', true, runner )
       jobs.each {|job|
         next if jobs_started[ job.id ]
         jobs_started[ job.id ] = true
-        self.start_job( job, worker, worker_count )
+        self.start_job( job, runner, runner_count )
       }
       sleep 45
     end
   end
 
-  def self.start_job( job, worker, worker_count )
+  def self.start_job( job, runner, runner_count )
     puts "started job thread for '#{job.name}' (#{job.method})..."
     sleep 4
 
     Thread.new {
       if job.period
         while true
-          self._start_job( job, worker, worker_count )
+          self._start_job( job, runner, runner_count )
           job = Scheduler.where( :id => job.id ).first
 
           # exit is job got deleted
@@ -44,7 +44,7 @@ class Scheduler < ApplicationModel
           sleep job.period
         end
       else
-        self._start_job( job, worker, worker_count )
+        self._start_job( job, runner, runner_count )
       end
       #        raise "Exception from thread"
       job.pid = ''
@@ -53,14 +53,38 @@ class Scheduler < ApplicationModel
     }
   end
 
-  def self._start_job( job, worker, worker_count )
-    puts "execute #{job.method} (worker #{worker} of #{worker_count})..."
+  def self._start_job( job, runner, runner_count )
+    puts "execute #{job.method} (runner #{runner} of #{runner_count})..."
     job.last_run = Time.now
     job.pid = Thread.current.object_id
     job.save
     eval job.method()
   end
 
+  def self.worker
+      wait = 10
+      puts "*** Starting worker #{Delayed::Job.to_s}"
+
+      loop do
+        result = nil
+
+        realtime = Benchmark.realtime do
+          result = Delayed::Worker.new.work_off
+        end
+
+        count = result.sum
+
+        break if $exit
+
+        if count.zero?
+          sleep(wait)
+          puts "*** worker loop"
+        else
+          printf "*** #{count} jobs processed at %.4f j/s, %d failed ...\n" % [count / realtime, result.last]
+        end
+      end
+  end
+
   def self.check( name, time_warning = 10, time_critical = 20 )
     time_warning_time  = Time.now - time_warning.minutes
     time_critical_time = Time.now - time_critical.minutes