Turn off real time index updates

ECOM-7392

course_discovery/settings/base.py

@@ -430,7 +430,8 @@ HAYSTACK_CONNECTIONS = {
     },
 }
 
-HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'
+# We are using BaseSignalProcessor to avoid overloading our production ES instance
+HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.BaseSignalProcessor'
 HAYSTACK_INDEX_RETENTION_LIMIT = 3
 
 # Elasticsearch search query facet "size" option to increase from the default value of "100"

course_discovery/settings/shared/test.py

@@ -8,6 +8,10 @@ HAYSTACK_CONNECTIONS = {
     },
 }
 
+# We are using RealtimeSignalProcessor because our tests depend on it being enabled
+# and it does not cause performance issues for testing
+HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'
+
 SYNONYMS_MODULE = 'course_discovery.settings.test_synonyms'
 
 EDX_DRF_EXTENSIONS = {