diff --git a/src/wattanalyse/constants.py b/src/wattanalyse/constants.py
index fc7ecaf..dd2ddf1 100644
--- a/src/wattanalyse/constants.py
+++ b/src/wattanalyse/constants.py
@@ -35,8 +35,8 @@ USER_CFG: t.UserConfig = t.UserConfig(
 )
 
 # ** DB interaction
-oracledb.defaults.arraysize = 1000
-oracledb.defaults.prefetchrows = 1000
+# oracledb.defaults.prefetchrows = 1_000
+oracledb.defaults.arraysize = 5_000
 
 
 # ** pipelines