diff --git a/ceph_bench/definitions.py b/ceph_bench/definitions.py
index 7fa0de8..4239504 100644
--- a/ceph_bench/definitions.py
+++ b/ceph_bench/definitions.py
@@ -6,7 +6,7 @@ SAMPLES = {
     "M": {"size": 10000, "number": 500},
     "ML": {"size": 100000, "number": 100},
     "L": {"size": 500000, "number": 50},
-    "XL": {"size": 2000000, "number": 20},
+    "XL": {"size": 2000000, "number": 10},
 }