diff --git a/management/commands/ingester.py b/management/commands/ingester.py
index 3b29f68..0253cee 100644
--- a/management/commands/ingester.py
+++ b/management/commands/ingester.py
@@ -6,6 +6,7 @@ import json
 import glob
 import uuid
 import asyncio
+import tracemalloc
 from datetime import datetime, timedelta
 import pandas as pd
 import django
@@ -17,10 +18,11 @@ from GaiaDBInterface.models import GaiaSource, CatalogFile
 
 class Command(BaseCommand):
     help = 'Ingest CSV files into the database'
-
+    
 
     def handle(self, *args, **options):
         
+
         if os.path.exists('config.json'):
             with open('config.json', 'r') as config_file:
                 config = json.load(config_file)
@@ -124,7 +126,7 @@ class Command(BaseCommand):
                     file_path, 
                     #comment='#', 
                     header=1000,
-                    engine="pyarrow"
+                    #engine="pyarrow"
                 )                    
 
                 gaiasource_fields = [field.name for field in GaiaSource._meta.get_fields()]   #get fields from the model
@@ -135,19 +137,19 @@ class Command(BaseCommand):
 
                 data_dict = df_filtered.to_dict(orient='records')                             #translate the df into a dict
 
-                df = None #free up memory
+                #df = None #free up memory
 
                 gaia_source_instances = [
                     GaiaSource(**data, catalog_file=catalog_file) for data in data_dict       #create gaiasource instances, set the foreignkey
                 ] 
 
-                data_dict = None #free up memory
+                #data_dict = None #free up memory
 
                 await update_catalog_file_status(catalog_file, 'IN_PROGRESS')
 
                 await bulk_create_gaia_sources(gaia_source_instances)                         #bulk-create instances from the dict
 
-                gaia_source_instances = None #free up memory
+                #gaia_source_instances = None #free up memory
 
                 await update_catalog_file_status(catalog_file,'INGESTED')                     #update the catalogfile instance status field to 'INGESTED'
                 
@@ -157,6 +159,4 @@ class Command(BaseCommand):
                 self.stdout.write(f"[{current_time}] {ingested_files_count}/{len(catalog_files)}")
 
 
-
-
-        asyncio.run(ingest_files())
\ No newline at end of file
+        asyncio.run(ingest_files())