old_contents: """
  The django clearsessions commend internally calls:
     cls.get_model_class().objects.filter(
         expire_date__lt=timezone.now()).delete()
  which could lock the DB table for a long time when
  having a large number of records to delete.
  
  To prevent the job running forever, we only delete a limit number of
  expired django sessions in a single run
  """
  
  import logging
  from datetime import timedelta
  from django.core.management.base import BaseCommand, CommandError
  from django.contrib.sessions.models import Session
  from django.utils import timezone
  from myuw.logger.timer import Timer
  
  logger = logging.getLogger(__name__)
  begin_delta = 1920
  log_format = "Deleted django sessions expired before {}, Time={} seconds"
  
  
  class Command(BaseCommand):
  
      def handle(self, *args, **options):
          now = timezone.now()
          for ddelta in range(begin_delta, 0, -1):
              timer = Timer()
              cut_off_dt = now - timedelta(days=ddelta)
              try:
                  qset = Session.objects.filter(expire_date__lt=cut_off_dt)
                  if qset.exists():
                      qset.delete()
                      logger.info(log_format.format(cut_off_dt.date(),
                                                    timer.get_elapsed()))
  
              except Exception as ex:
                  logger.error(str(ex))
  
new_contents: """
  The django clearsessions commend internally calls:
     cls.get_model_class().objects.filter(
         expire_date__lt=timezone.now()).delete()
  which could lock the DB table for a long time when
  having a large number of records to delete.
  
  To prevent the job running forever, we only delete a limit number of
  expired django sessions in a single run
  """
  
  import logging
  from datetime import timedelta
  import time
  from django.core.management.base import BaseCommand, CommandError
  from django.contrib.sessions.models import Session
  from django.utils import timezone
  from myuw.logger.timer import Timer
  
  logger = logging.getLogger(__name__)
  begin_delta = 1920
  log_format = "Deleted django sessions expired before {}, Time={} seconds"
  
  
  class Command(BaseCommand):
  
      def handle(self, *args, **options):
          now = timezone.now()
          for ddelta in range(begin_delta, 0, -1):
              timer = Timer()
              cut_off_dt = now - timedelta(days=ddelta)
              try:
                  qset = Session.objects.filter(expire_date__lt=cut_off_dt)
                  if qset.exists():
                      qset.delete()
                      logger.info(log_format.format(cut_off_dt.date(),
                                                    timer.get_elapsed()))
                      time.sleep(5)
              except Exception as ex:
                  logger.error(str(ex))
  
subject: Add a 5 second pause