old_contents: from perfrunner.tests import TargetIterator
  from perfrunner.tests.kv import KVTest
  
  
  class DbCompactionTest(KVTest):
  
      def compact(self):
          self.reporter.start()
          for target_settings in TargetIterator(self.cluster_spec,
                                                self.test_config):
              self.rest.trigger_bucket_compaction(target_settings.node,
                                                  target_settings.bucket)
              self.monitor.monitor_bucket_fragmentation(target_settings)
          self.reporter.finish('Bucket compaction')
  
      def run(self):
          self._run_load_phase()  # initial load
          self._run_load_phase()  # extra mutations for fragmentation
  
new_contents: from perfrunner.tests import TargetIterator
  from perfrunner.tests.kv import KVTest
  
  
  class DbCompactionTest(KVTest):
  
      def compact(self):
          self.reporter.start()
          for target_settings in TargetIterator(self.cluster_spec,
                                                self.test_config):
              self.rest.trigger_bucket_compaction(target_settings.node,
                                                  target_settings.bucket)
              self.monitor.monitor_bucket_fragmentation(target_settings)
          self.reporter.finish('Bucket compaction')
  
      def run(self):
          self._run_load_phase()  # initial load
          self._run_load_phase()  # extra mutations for fragmentation
          self.compact()
  
subject: add missing compaction step