diff --git a/mongo/mongocwarler.py b/mongo/mongocwarler.py
index 4466e0f..a7ca97d 100644
--- a/mongo/mongocwarler.py
+++ b/mongo/mongocwarler.py
@@ -172,7 +172,7 @@ def index_pages(db,domain,extracted_pages):
         state = "good"
         link = original_link
         if original_link != final_link:
-            linkcol.insert_one(get_link_doc(original_link,"redirect"))
+            linkcol.update_one({"url":original_link},{"$set":{"status":"redirect"}})
             link = final_link
         if html is None:
             state = "html_error"
@@ -224,7 +224,10 @@ def index_links(db,extracted_links):
     linkcol=db["links"]
     for link,status in extracted_links:
         doc = get_link_doc(link,status)
-        linkcol.insert_one(doc)
+        try:
+            linkcol.insert_one(doc)
+        except pymongo.errors.DuplicateKeyError as ex:
+            pass
 
 
 def get_links(db,domain,status,batch_size=BATCHSIZE):
@@ -277,18 +280,18 @@ def cli():
     pass
 
 @cli.command()
-def dropdb():
+def createdb():
     myclient = pymongo.MongoClient(CONNECTION)
     db=myclient[DBNAME]
     linkcol = db["links"]
-    linkcol.create_index({"url":1},{"name":"url"})
-    linkcol.create_index({"host":1,"status":1},{"name":"hostname_status"})
+    linkcol.create_index("url",unique=True)
+    linkcol.create_index("host")
     contentcol = db["content"]
-    contentcol.create_index({"url":1})
-    contentcol.create_index({"paragraph_checksums":1})
-    contentcol.create_index({"domain":1})
+    contentcol.create_index("url",unique=True)
+    #contentcol.create_index({"paragraph_checksums":1})
+    #contentcol.create_index({"domain":1})
     htmlcol = db["html"]
-    htmlcol.create_index({"url":1})
+    htmlcol.create_index("url",unique=True)
 
 @cli.command()
 @click.argument("start_link")