add reset_queries() in hopes of preventing memory exhaustion if DEBUG=True
diff --git a/xos/openstack_observer/event_loop.py b/xos/openstack_observer/event_loop.py
index a63ff3c..57d6a31 100644
--- a/xos/openstack_observer/event_loop.py
+++ b/xos/openstack_observer/event_loop.py
@@ -16,6 +16,7 @@
 from core.models import *
 from django.db.models import F, Q
 from django.db import connection
+from django.db import reset_queries
 #from openstack.manager import OpenStackManager
 from openstack.driver import OpenStackDriver
 from util.logger import Logger, logging, logger
@@ -382,6 +383,12 @@
 			logger.info('Step %r is a leaf' % step)
 			pass
             finally:
+                try:
+                    reset_queries()
+                except:
+                    # this shouldn't happen, but in case it does, catch it...
+                    logger.log_exc("exception in reset_queries")
+
                 connection.close()
 
 	def run(self):
@@ -442,11 +449,19 @@
 					for t in threads:
 						t.start()
 
+                                        # another spot to clean up debug state
+                                        try:
+                                            reset_queries()
+                                        except:
+                                            # this shouldn't happen, but in case it does, catch it...
+                                            logger.log_exc("exception in reset_queries")
+
 					# Wait for all threads to finish before continuing with the run loop
 					for t in threads:
 						t.join()
 
 				self.save_run_times()
+
 				loop_end = time.time()
 				open('/tmp/%sobserver_last_run'%self.observer_name,'w').write(json.dumps({'last_run': loop_end, 'last_duration':loop_end - loop_start}))
 			except Exception, e:
diff --git a/xos/openstack_observer/syncstep.py b/xos/openstack_observer/syncstep.py
index 3dadbf4..9ec79cc 100644
--- a/xos/openstack_observer/syncstep.py
+++ b/xos/openstack_observer/syncstep.py
@@ -5,7 +5,8 @@
 from util.logger import Logger, logging
 from observer.steps import *
 from django.db.models import F, Q
-from core.models import * 
+from core.models import *
+from django.db import reset_queries
 import json
 import time
 import pdb
@@ -106,6 +107,13 @@
     def call(self, failed=[], deletion=False):
         pending = self.fetch_pending(deletion)
         for o in pending:
+            # another spot to clean up debug state
+            try:
+                reset_queries()
+            except:
+                # this shouldn't happen, but in case it does, catch it...
+                logger.log_exc("exception in reset_queries")
+
             sync_failed = False
             try:
                 backoff_disabled = Config().observer_backoff_disabled