diff --git a/tests/performance/cryptographic_hashes.xml b/tests/performance/cryptographic_hashes.xml
index 390dd471e41..03d275a7bb7 100644
--- a/tests/performance/cryptographic_hashes.xml
+++ b/tests/performance/cryptographic_hashes.xml
@@ -33,15 +33,15 @@
         <substitution>
            <name>numbers_small</name>
            <values>
-               <value>numbers(10000)</value>
-               <value>numbers_mt(100000)</value>
+               <value>numbers(100000)</value>
+               <value>numbers_mt(1000000)</value>
            </values>
         </substitution>
         <substitution>
            <name>numbers_medium</name>
            <values>
-               <value>numbers(100000)</value>
-               <value>numbers_mt(1000000)</value>
+               <value>numbers(1000000)</value>
+               <value>numbers_mt(10000000)</value>
            </values>
         </substitution>
         <substitution>
diff --git a/tests/performance/decimal_aggregates.xml b/tests/performance/decimal_aggregates.xml
index 854d8e3c2c2..c14f4e51760 100644
--- a/tests/performance/decimal_aggregates.xml
+++ b/tests/performance/decimal_aggregates.xml
@@ -1,6 +1,6 @@
 <test>
     <create_query>CREATE TABLE t (x UInt64, d32 Decimal32(3), d64 Decimal64(4), d128 Decimal128(5)) ENGINE = Memory</create_query>
-    <fill_query>INSERT INTO t SELECT number AS x, x % 1000000 AS d32, x AS d64, x d128 FROM numbers_mt(100000000)</fill_query>
+    <fill_query>INSERT INTO t SELECT number AS x, x % 1000000 AS d32, x AS d64, x d128 FROM numbers_mt(1000000000)</fill_query>
     <drop_query>DROP TABLE IF EXISTS t</drop_query>
 
     <query>SELECT min(d32), max(d32), argMin(x, d32), argMax(x, d32) FROM t</query>
diff --git a/tests/performance/read_in_order_many_parts.xml b/tests/performance/read_in_order_many_parts.xml
index bb6004d061e..9da19410f5f 100644
--- a/tests/performance/read_in_order_many_parts.xml
+++ b/tests/performance/read_in_order_many_parts.xml
@@ -19,8 +19,8 @@
     <create_query>CREATE TABLE mt_20_parts(id UInt32, val1 UInt32, val2 UInt32) ENGINE = MergeTree ORDER BY val1 PARTITION BY id % 20</create_query>
     <create_query>CREATE TABLE mt_200_parts(id UInt32, val1 UInt32, val2 UInt32) ENGINE = MergeTree ORDER BY val1 PARTITION BY id % 200</create_query>
 
-    <fill_query>INSERT INTO mt_20_parts SELECT number, rand() % 10000, rand() FROM numbers_mt(100000000)</fill_query>
-    <fill_query>INSERT INTO mt_200_parts SELECT number, rand() % 10000, rand() FROM numbers_mt(100000000)</fill_query>
+    <fill_query>INSERT INTO mt_20_parts SELECT number, rand() % 10000, rand() FROM numbers_mt(1000000000)</fill_query>
+    <fill_query>INSERT INTO mt_200_parts SELECT number, rand() % 10000, rand() FROM numbers_mt(1000000000)</fill_query>
     <fill_query>OPTIMIZE TABLE mt_20_parts FINAL</fill_query>
     <fill_query>OPTIMIZE TABLE mt_200_parts FINAL</fill_query>