diff --git a/ChangeLog b/ChangeLog
index 8424626d..9e60555a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,8 @@
 CHANGES
 =======
 
+ADD: new Orion indexes to optimize operations (#335)
+
 4.3.0
 
 ADD: new API to rename subservice (including mongo database of Orion, STH, CEP, IotAgents) (#330)
diff --git a/src/orchestrator/core/mongo.py b/src/orchestrator/core/mongo.py
index 597f4bdc..822b2e46 100644
--- a/src/orchestrator/core/mongo.py
+++ b/src/orchestrator/core/mongo.py
@@ -59,6 +59,11 @@ def createOrionIndexes(self, SERVICE_NAME):
                                       ("_id.id", pymongo.ASCENDING),
                                       ("_id.type", pymongo.ASCENDING)])
             db.entities.create_index("creDate")
+            # New indexes, requested by devops teams. See issue #335
+            db.entities.create_index("_id.id")
+            db.entities.create_index("_id.type")
+            db.entities.create_index("_id.servicePath")
+            db.entities.create_index("attrNames")                                   
         except Exception as e:
             logger.warn("createIndex database %s exception: %s" % (databaseName,e))